AP Government Review Unit 1 Constitutional Underpinnings Goals of the US Constitution Create a strong union of states Establish justice Preserve Domestic Order Provide for the common defense Promote general welfare Promote individual freedoms Constitution Remedies the Articles of Confederation Creates Federalism – A balance between the national and state governments National government could tax Congress could regulate commerce between the states and foreign nations Article II created an executive department to enforce laws Article III created a national judiciary with a Supreme Court and lower courts established by Congress Constitution Remedies the Articles of Confederation Only the national government could coin money States are represented based on population in the House of Reps and equally in the Senate Bills need a simple majority in the House and Senate 2/3 of Congress and 3/4of the states are necessary to amend the Constitution Basic Principles of the Constitution Limited government Popular sovereignty Separation of powers Checks and balances Federalism Amendments The Constitution has been formally amended 27 times. – Please know all the amendments The first 10 amendments are known as the Bill of Rights Informal Amendments to the Constitution Legislative action: Judiciary Act of 1789 Executive actions: Executive orders Judicial review: Marbury v. Madison Custom and usage: No 3rd term for Presidents Federalism Delegated powers – Expressed powers given to the national government Implied powers – Powers that may be reasonably inferred from the Constitution (Necessary and Proper Clause) Inherent powers – Powers that exist from the national government because the government is sovereign Concurrent powers – Belong to both the states and national governments Reserved powers – Powers that belong to the states (Amendment 10) Federalism In Practice Interstate Relations – Full faith and credit clause: states are required to recognize the laws and legal documents of other states – Privileges and immunities clause: states are prohibited from unreasonably discriminating against residents of another state – Extradition: states may return fugitives to states which they fled – Interstate compacts: states may work together to solve regional problems National Supremacy Article IV Supremacy Clause – McCulloch v. Maryland (1819) Federal law is supreme over state law – Gibbons v. Ogden (1824) National supremacy over interstate commerce Federalism Today Dual Federalism (1789-1932) – Layer cake federalism: National and state have power within their own sphere of influence Cooperative Federalism (1932-1968) – Marble cake federalism: National and state work together New Federalism (Nixon, Reagan, Bush 41) – Devolution of national power to the states Fiscal Federalism Grant in aid – Money and resources provided by the national government to state and local projects and programs Categorical grants – Grants that have specific purpose defined by law Block grants – General grants which can be used for a variety of purposes Unfunded mandates – Requirements which are imposed by the national government on the state and local governments AP Government Review Unit 2 Political Beliefs and Behaviors Political Culture A set of beliefs and basic values shared by most citizens. – Majority rule – Free elections – Equality in law – Private property – Individual freedoms Political Socialization The process in which citizens acquire a sense of political identity – Family and home life – Education – Group affiliations (interest groups, labor unions) – Demographic factors (age, sex, race, religion) – Mass media – Historical events Public Opinion A collection of shared attitudes of many different people in matters relating to politics, public issues, or making of public policy. Measuring Public Opinion 1930’s George Gallup developed polling: – Sampling – Preparing valid questions – Controlling how the poll is taken – Analyzing and reporting results Political Ideology A set of beliefs about politics and public policy that creates the structure for looking at government and public policy. Political Spectrum Radical: favor rapid, fundamental change in existing social, economic, political order Liberal: supports active government in promoting individual welfare and social rights Moderate: political ideology falls between liberal and conservative Conservative: promotes a limited government role in helping individuals, supports traditional lifestyle Reactionary: advocates a return to a previous state of affairs AP Government Review Unit 3 Political Parties Interest Groups Mass Media Political Parties An association of people who seek to control the government through common principle. Two Party System: There are several parties but only two major parties compete and dominate elections Minor Parties: generally have little to no impact on elections What do Parties do? Recruit candidates Nominate and support candidates for office Educate the electorate Organize the government (majority vs. minority) Party Identification Ideology Income Race Religion Region of country Education Occupation Gender Family tradition Marital status Why a Two Party System British heritage Federalist/Anti-Federalist Electoral system Election laws Electoral Dealignment and Realignment Dealignment: when significant number of voters no longer support a particular party Realignment: voting patterns shift and new coalitions form. – Republicans (1860) – Democrats (1932) Voting and Elections Political Participation Voting in elections Discussing politics and attending political meetings Forming interest groups and PACs Contacting public officials Contributing money to a candidate or political party Running for office Protesting government decisions Issue or Policy Voting Direct Primary – Allows citizens to nominate candidates Recall – Is a special election initiated by petition to allow citizens to remove an official from office Referendum – Allows citizens to vote directly on issues called propositions Initiative – Allows voters to petition to propose issues to be decided by qualified voters Low Voter Turnout Voter turnout is higher for Presidential elections Lower turnout for midterm elections Lower when compared to other nations Low Voter Turnout Expansion of the electorate (26th Amendment) Failure of the political parties to mobilize voters No perceived differences between candidate or party Mistrust of the government Apathy Satisfaction with the way things are Lack of political efficacy Mobility of the electorate Registration process Types of Elections Primary Election: voters choose candidates from their party Closed primary: only voters who are registered in the party may vote to choose the candidate Open primary: voters may vote to choose the candidate of either party, whether they belong to that party or not Blanket primary: voters may vote for candidates of either party Runoff primary: when no candidate from a party receives a majority of the votes, the top two candidates face each other Types of Elections General Election – Voters get to choose from among all the candidates nominates by political parties or running as independents Electoral College President and Vice-President are chosen by the 538 electoral votes – 435 districts – 100 senators – 3 Washington DC States use a winner take all method of assigning their electoral votes based on popular vote The candidate that receives a majority (270) is declared winner. If no winner is declared the House of Representatives chooses the President and the Senate chooses the Vice-President Campaign Finance Federal Election Campaign Act (1971) – Restricted Amount spent on campaign advertising Required disclosure of contributions and expenditures Federal Election Commission – Enforces the FECA – Created public financing for presidential candidates Buckley v. Valeo (1976) – The Supreme Court ruled that spending limits established by the FECA were unconstitutional Interest Groups and the Mass Media Interest Groups Raise awareness and stimulate interest in public affairs by educating their members and the public Represent membership, serving as a link between members and the government Provide information to the government Provide channels for political participation Types of Interest Groups Economic Interest Groups – Labor Groups (AFL-CIO) – Business Groups (Chamber of Commerce) – Professional Groups (National Education Association) – Agricultural Groups (National Farmer’s Union) AP Government Review Unit 4 The Legislative, Executive, and Judicial Branches The Legislative Branch Congress Article I of the US Constitution creates a bicameral legislature consisting of the House of Representatives and the Senate The current structure was a result of the Connecticut or Great Compromise reached at the Constitutional Convention House of Representatives Membership – 435 members apportioned by population Term of Office – 2 years; entire House elected every 2 years Qualifications – At least 25 years old – Citizen for 7 years – Must live in state where district is located Constituencies – smaller, by district Prestige – Less prestige House of Representatives Getting Elected Apportionment: distribution among the states based on the population of each state Reapportionment: the redistribution of Congressional seats after the census determines changes in population distribution among the states Congressional districting: the drawing by state legislatures of congressional districts for those states with more than one representative Gerrymandering: drawing congressional districts to favor one political party or group over another House of Representatives Leadership – Speaker of the House Presiding officer and most powerful member Assigns bills to committee Controls floor debates Appoints party members to committees – Majority Leader Assistant to the Speaker Helps plan party’s legislative program Directs floor debates – Minority Leader Major spokesperson for the minority party Organizes opposition to the majority party House of Representatives How a Bill becomes a Law A bill is introduced, numbered, and assigned to a committee The bill may be assigned to a subcommittee for further study The bill is returned to committee where it is approved or rejected The rules committee sets terms of debate for the bill The bill is debated by the House A vote is taken. Bills that pass go to the Senate Conference committee resolves any differences between House and Senate Bill Resolved bill is voted on in the House If approved, sent to the President US Senate Membership: 100 members (2 from each state) Term of office: 6 years; staggered terms with one-third of the Senate elected every 2 years Qualifications: – At least 30 years of age – Citizen for 9 years – Must live in state Constituencies: Larger, entire state Prestige: More prestige US Senate Getting Elected – Members were originally chosen by the state legislatures in each state – Since 1913, the 17th Amendment allows the direct election of senators by the people of the state US Senate Leadership – US Vice President Presiding officer of the Senate. Cannot debate and only votes to break a tie – President pro tempore Senior member of the majority party A ceremonial position – Majority leader The most influential member of the Senate The majority party’s spokesperson – Minority leader Performs the same role as the House minority leader US Senate How a Bill becomes a Law A bill is introduced, numbered, and assigned to a committee The bill may be assigned to a subcommittee for further study The bill is returned to committee where it is approved or rejected No rules committee! The bill is debated by the Senate A vote is taken, where the bill is passed or defeated. Bills that pass the Senate are sent to the House Conference committee resolves any differences between House and Senate Bill Resolved bill is voted on in the Senate If approved, sent to the President Congressional Override If the President vetoes the bill then it is returned to the Congress, where they may override the veto by a two-thirds vote in each house. Types of Committees Standing – A permanent committee that deals with specific policy matters (agriculture, energy…) Select – A temporary committee appointed for a specific purpose (Senate Watergate Committee) Joint – Made up of members of both Houses (Joint Committee on the Library of Congress) Conference – A temporary committee of members from both Houses, created to resolve differences in the House and Senate versions of the bill Caucuses Informal groups formed by members of Congress who share a common purpose of goals – Congressional Black Caucus – Women’s Caucus – Democratic or Republican Caucus Roles of Members of Congress Policymaker Representative Constituent servant Committee member Politician/Party member House of Representatives/Senate Incumbency Effect: the tendency for office holders to easily get reelected – Name recognition – Credit claiming (bringing positive results to the district or state) – Casework for constituents (helped constituents solve problems) – More visible to constituents – Media exposure – Fundraising abilities – Experience in campaigning – Voting record Powers of Congress Legislative Powers – Expressed powers: Powers specifically granted to Congress, mostly found in Article I, Section 8 of the Constitution – Implied powers: powers which may be reasonably suggested to carry out the expressed powers; found in Article I, Section 8, Clause 18, “necessary and proper” – Limitations of powers: power denied Congress in Article I, Section 9 and the 10th Amendment Powers of Congress Non-Legislative Powers Electoral powers: selection of the President by the House and Vice-President by the Senate upon the failure of the electoral college to achieve a majority vote Amendment powers: Congress may propose amendments by 2/3 votes of each house Impeachment: – House may bring charges, or impeach, the President, Vie-President, or any civil officer by a simple majority – Senate holds the trial and acts as a jury with a 2/3 vote needed to find guilt Executive powers of the Senate: – Must approve appointees by the Executive Branch by a simple majority – Must approve treaties by a 2/3 vote Investigation/oversight powers: investigate matters falling within the range of its legislative authority Legislative Tactics Caucuses: may form voting blocs Committee system Filibuster or Cloture: in the Senate only, unlimited debate in an attempt to stall action on a bill; cloture is the method by 60 votes to end a filibuster Pork barrel legislation: an attempt to provide funds and projects for a member’s home state or district Logrolling: an attempt by members to gain support of other members in return for their support on the member’s legislation Legislative Tactics Riders: additions to legislation which generally have no connection to the legislation Amendments: additions or changes to the legislation which deal specifically with the legislation Lobbying: trying to influence members of Congress to support or reject legislation Conference committee: may affect the wording and therefore intent of the legislation Legislative veto: the rejection of a presidential or executive branch action by one or both houses of Congress, used mostly between 1932-1980. – Declared unconstitutional in the 1983 case, Immigration and Naturalization Service v. Chada Influences on Congress Constituents Other lawmakers and staff Party influences President Lobbyists and interest groups Executive Branch and the Bureaucracy President of the United States Article II of the Constitution establishes the many responsibilities and functions of the President Term and Tenure – 4 year term – 2 terms (10 year max) 22nd Amendment President of the United States Formal Qualifications – Natural born citizen – At least 35 years old – Resident of the US 14 years prior to election Informal, many presidential candidates share several characteristics – – – – – – Political or military experience Political acceptability Married White male Protestant Northern European ancestry Succession and Disability The Constitution provides that if the President can no longer serve in office the Vice-President will carry out the powers and duties of the office 25th Amendment – The Vice-President becomes President if the office of the president becomes vacant – The President will nominate a new VicePresident, with approval of a majority from both houses of Congress Impeachment and Removal The Constitution gives the House of Representatives the authority to bring charges against the President or VicePresident for “Treason, Bribery, or other High Crimes and Misdemeanors.” Once charges are brought the Senate holds the trial. The Chief Justice of the Supreme Court presides over the trial Conviction requires a 2/3 vote Electoral College System 12th Amendment – An electoral college elects the President and Vice-President – Each state chooses the number of electors equal to its number of members in the House of Representatives and Senate. – In December, after the general election, the electors meet in their state capital to cast their ballots for president and vicepresident. – The electoral college then sends its ballots to the President of the US Senate where they are opened before a joint session of Congress – To win a candidate needs a majority (270) – If a majority is not reached the House votes on the top 3 candidates for President and the Senate votes on the top 2 candidates for Vice-President The Vice-Presidency Presides over the Senate, casting tiebreaking votes Help determine presidential disability under the 25th Amendment and take over presidency if necessary Has the same formal qualifications as the President Presidential Powers Executive powers – Enforces laws, treaties, and court decisions – Issues executive orders to carry out policies – Appoints officials, removes officials – Assumes emergency powers – Presides over cabinet and executive branch Military powers – Serves as commander in chief – Has final decision making authority in matters of national and domestic defense – Provides for domestic order Presidential Powers Legislative Powers – – – – – Gives annual State of the Union message Issues annual budget and economic reports Signs or vetoes bills Proposes and influences legislation Calls for special sessions of Congress Diplomatic Powers – – – – – Appoints ambassadors and other diplomats Negotiates treaties and executive agreements Meets with foreign leaders Accords diplomatic recognition to foreign governments Receives foreign dignitaries Presidential Powers Judicial Powers – Appoints members of the federal judiciary – Grants reprieves, pardons, and amnesty Party Powers – Leader of the party – Chooses vice presidential nominee – Strengthens the party by helping members get elected (coattails) – Appoints party members to government positions (patronage) – Influences policies and platform of party Limitations on Presidential Powers Congressional Checks – – – – – Override presidential veto Power of the purse Power of impeachment Approval powers over appointees Legislation limiting the president’s power (War Powers Act) Judicial Checks – Judicial review of executive action Political checks – Public opinion – Media attention – popularity The Bureaucracy The Bureaucracy A systematic way of organizing a complex and large administrative structure. – Hierarchical authority: similar to a pyramid with the top having authority over those below – Job specialization: each worker has defined duties and responsibilities, a division of labor among workers – Formal rules: established regulations and procedures which must be followed History and Growth Beginnings: standards for office included qualifications and political acceptability Spoils system: practice of giving offices and government favors to political supporters and friends Reform movement: competitive exams were tried and failed due to inadequate funding from Congress Pendleton Act: Civil Service Act of 1883, replaced the spoils system with a merit system Hatch Act of 1939: prohibits government employees from engaging in political activities while on duty Civil Service Reform Act of 1978: created the office of Personnel Management to recruit, train, and establish classifications and salaries for federal employed Organization The federal bureaucracy is divided into four basic types – Cabinet departments (15 executive departments) – Independent executive departments (NASA, Small Business Administration) – Independent regulatory agencies (Securities and Exchange Commission, Federal Reserve Board) – Government corporations (Tennessee Valley Authority, US Postal Service) Influences on the Federal Bureaucracy Executive influences: appointing the right people, issuing executive orders, affecting the agency’s budget Congressional influences: influencing appointments, affecting the agency’s budget, holding hearings, rewriting legislation Iron triangles: alliances between bureaucratic agencies, congressional committees, and interest groups Executive Office of the President White House Office National Security Council Office of Management and Budget Office of Faith Based and Community Initiatives Office of National Drug Control Policy Office of Policy Development Council of economic Advisors Office of US trade Representative Executive Departments State Treasury Defense Interior Justice Agriculture Commerce Labor Health and Human Services Housing and Urban Development Transportation Energy Education Veterans affairs Homeland Security The Judicial Branch The Federal Court System The US has a dual court system of courtsa federal court system and the court system of the 50 states Article III of the Constitution states that there shall be a Supreme Court and that Congress may establish a system of inferior courts Jurisdiction Original jurisdiction – Lower courts have the authority to hear cases for the first time. District Court conducts trials, evidence is presented, and juries determine the outcome of the case Supreme Court has original jurisdiction in cases involving representatives of a foreign government, and certain types of cases where a state is a party Appellate jurisdiction – Courts that hear reviews or appeals of decisions from the lower courts Court of Appeals Supreme Court Structure of the Judicial System District Courts – Created by the Congress in the Judiciary Act of 1789. – There are 94 District Courts – Decide civil and criminal cases Court of Appeals – Created by Congress in 1891 – There are 13 US Court of Appeals – Decide appeals from the District Courts Supreme Court – Created by Article III of the Constitution – Most of its cases are appeals from the US Court of Appeals and State Supreme Courts – Has original and appellate jurisdiction Judicial Selection The President appoints all federal judges with confirmation from the US Senate There are no formal qualifications Serve a life term Federal judges may be removed through impeachment Supreme Court Selection Presidents only make appointments to the Supreme Court if a vacancy occurs during their term of office When making appointments, Presidents often consider: – Party affiliation – Judicial philosophy – Race, gender, religion, region – Judicial experience – Political ideology – Acceptability The Supreme Court at Work The term of the Supreme Court begins on the first Monday in October and generally lasts until June or July of the following year. Accepting Cases Cases that are accepted must pass the rule of four: four of the nine justices must agree to hear the case. – Writ of certiorari: an order by the court directing the lower court to send up the records of a case for review – Certificate: a lower court may ask the Supreme Court about a rule of law or procedures in specific cases Briefs and Oral Arguments Once a case reaches the Supreme Court, lawyers for each party to the case file a written brief – Written briefs include: detailed statements of the facts of the case supported by relevant facts and citations from previous cases Interested parties may be invited to submit amicus briefs (friends of the court) supporting or rejecting arguments of the case Oral arguments allow both sides 30 minutes to present their positions to the justices Writing Opinions Once the Supreme Court has made a decision in a case, the decision is explained in a written statement – Majority opinion: a majority of the justices agree on the decision and its reasons – Concurring opinion: a justice who agrees with the majority opinion but not the reasoning behind the decision – Dissenting opinion: a justice or justices who disagree with the majority opinion Majority opinions become precedent in deciding future cases Judicial Activism Holds that the court should play an active role in determining national policies The philosophy advocates applying the Constitution to social and political questions Judicial Restraint Holds that the court should avoid taking the initiative on social and political questions. Operating strictly within the limits of the Constitution AP Government Review Unit 5 Politics and Public Policymaking Agenda-Setting Recognizing an issue as a problem which must be addressed as a part of the political agenda. Problems are brought to the political agenda by: – – – – Citizens Interest groups The Media Government Entities Formation/Adoption/ Implementation Formation: finding ways to solve the problems Adoption: adopting a plan of action to solve the problem; may require legislation Implementation: executing the plan of action by appropriate agency or agencies Policy Evaluation Analysis of policy and its impact upon the problem Judging the effectiveness of policy Domestic Policy Crime Prevention: FBI, DEA, & ATF Education: States run education but since the creation of the Department of Education (1979) the Fed has used grants and vouchers as influence Energy: The study of alternative and renewable sources of fuel. Regulates nuclear waste. Domestic Policy Health Care: Medicare (elderly), Medicaid (poor), CDC, VA, FDA Social Welfare: Social Security, Housing Programs,unemployment benefits Economic Policy Raising Revenue: income tax, cooperate tax, estate tax, customs Government Spending – Discretionary Spending – Defense, Education, Student Loans, Scientific Research, Environmental Clean-up, Law Enforcement, Disaster Aid, Foreign Aid Nondiscretionary Spending Interest of the national debt, social welfare programs Economic Policy Federal Budget: Proposed each year (fiscal year is October 1 through September 30) – Proposals Each federal agency must submit a budget request to the Office of Management and Budget. The President submits a budget proposal to Congress based on the OMB The Congress proposes its own budget based on the advise of the Congressional Budget Office Economic Policy The budget must be passed by Congress and signed by the President by September 15. Failure to pass a budget could lead to the federal government to shut down. AP Government Review Unit 6 Civil Liberties and Civil Rights Civil Liberties Constitution – Writ of habeas corpus: you must be brought before the court and informed of charges against you – No bills of attainder: you cannot be punished without a trial – No ex post facto laws: laws applied to acts committed before the laws’ passage are unconstitutional – Trial by jury Civil Liberties Bill of Rights – Freedom of religion, speech, press, petition, and assembly – No unreasonable search and seizure – Protections against self-incrimination and double jeopardy – Protections in criminal procedures Civil Liberties 14th Amendment – Provided for the expansion of the Bill of Rights to the states and local governments – Incorporation Legislation – Laws that set limits or boundaries on one person’s rights over another person Courts – Judicial review Freedom of Religion Establishment Clause Congress cannot: – Establish a national religion – Favor one religion over another – Tax citizens to support any one religion Freedom of Religion Establishment Clause Please know the following Supreme Court cases – Engle v. Vitale – Abington Township v. Schempp – Lemon v. Kurtzman – Minersville v. Gobitus – West Virginia v. Barnette – Wallace v. Jaffree Freedom of Religion Free-Exercise Clause Guarantees the right to practice any religion or no religion at all Know these cases – Reynolds v. United States – Wisconsin v. Yoder – Oregon v. Smith – Church of the Lukumi Babalu Aye v. City of Hialeah Freedom of Speech Pure Speech: the most common form of speech, verbal speech Symbolic Speech: using actions or symbols to convey an idea Speech Plus: verbal and symbolic speech used together Freedom of Speech Know these cases – Abrams v. United States – Schenck v. United States – Gitlow v. New York – Tinker v. Des Moines – Texas v. Johnson – Reno v. ACLU Freedom of the Press Know these cases – Near v. Minnesota – New York Times v. Sullivan – New York Times v. United States – Hustler v. Falwell – Hazelwood School District v. Kuhlmeier Freedom of Assembly The government is allowed to set limits on assembly to protect the rights and safety of others – Dejonge v. Oregon Property Rights The due process clause of the 5th and 14th Amendments provide for the protection of private property by guaranteeing :life, liberty, or property, without due process of the law” Due Process Substantive due process – Involves the policies of government or the subject matter of the laws, determining whether the law is fair or if it violates constitutional protections Procedural due process – The method of government action or how the law is carried out, according to established rules and procedures Right to Privacy The Constitution makes no mention of a “right to privacy,” however the Supreme Court has interpreted several rights that may fall under the category of privacy – Griswold v. Connecticut – Roe v. Wade Fourth Amendment Search and Seizure Know these cases – Wolf v. Colorado – Mapp v. Ohio – TLO v. New Jersey – Weeks v. United States – Katz v. United States Fifth Amendment Self-Incrimination Know this case – Miranda v. Arizona Sixth Amendment Right to an Attorney Know these cases – Powell v. Alabama – Gideon v. Wainwright Eighth Amendment Cruel and Unusual Punishments Know these cases – Furman v. Georgia – Gregg v. Georgia Civil Rights Are the positive acts of government, designed to prevent discrimination and provide equality before the law The Equal Protection Clause of the 14th Amendment prevents the states from discriminating against citizens. Civil Rights Movement 13th Amendment abolished slavery 14th Amendment defined citizenship and provided due process and equal protection 15th Amendment provided that all males 21 and older could vote 24th Amendment outlawed the poll tax in federal elections Civil Rights Movement Black codes: state laws passed to keep freed slaves out of politics (literacy test, poll tax, registration tests) Civil Rights Act of 1876: outlawed racial segregation in public places Jim Crow Laws: created segregation in schools, public transportation, and hotels Plessy v. Ferguson: separate but equal facilities are constitutional Civil Rights Movement Executive Order 8802: Franklin Roosevelt banned racial discrimination in the federal government Executive Order 9981: Harry Truman ordered the desegregation of the military Brown v. Board of Education: overturned Plessy v. Ferguson, separate but equal is unconstitutional Civil Rights Movement Civil Rights Act of 1964: prohibited discrimination in employment and in places of public accommodations Voting Rights Act of 1965: outlawed discriminatory tests in voter registration The Women’s Movement 19th Amendment gave women the right to vote Equal Pay Act of 1963: made it illegal to base a person’s pay on their gender, race, religion, or national origin Equal Employment Opportunity Act of 1972 prohibited gender discrimination in hiring, firing, promotions, and pay People with Disabilities The Rehabilitation Act of 1973 prohibited discrimination against people with disabilities in federal programs The Americans with Disabilities Act of 1990forbids employers from discriminating against people with disabilities Affirmative Action A policy designed to correct the effects of past discrimination. University of California v. Bakke (1978): the court ruled that affirmative action was constitutional but that Bakke had been denied equal protection because the university used race as the sole criteria for admissions