Fighting Junk Science in the Courts: A View from the Trenches Richard Wilson Mallinckrodt Research Professor of Physics Harvard University What is the problem? Example: “A Civil Action” (Movie with John Travolta) At high doses Trichloroethylene gives cancer to mice TCE won’t easily give cancer to rats Not known to give cancer to people A cluster of Leukemias in Woburn, MA Levels of Leukemia in water exceed EPA (one in a million) standard calculated risk: one in 100,000 “Obviously” blame TCE! Why did TCE get there? WR Grace MAY have released it. Grace settled for about $3 million Erin Brokovich was a movie about Pacific Gas and Electric and their incompetence in defending a scientifically incorrect lawsuit Power station cooling pipes cleaned with chromate solution. Chromic Acid aerosols have given lung cancer Small exposures to perhaps a dozen homes. Exceeded conservative state standards. Calculated risk is miniscule The state was informed but people were not. The San Francisco lawyer agreed to arbitration!! Experts were industry consultants not academics The Award was the Largest in State History $280,000,000? How do we cope with this random redistribution of wealth? In a courtroom witnesses must confine themselves to what they actually saw: not hearsay EXCEPT EXPERT WITNESSES!! What is an expert? About 1870 it became an issue in cases involving science 1923 Frye Vs. United States 293F.1013,1014 (DC Circuit 1923) Expert opinion based upon scientific technique “is admissable if it is generally accepted as a reliable technique in the scientific community” 1980s Congress enacted FEDERAL RULES OF EVIDENCE Did they supersede FRYE? What do they mean? The Supreme Court decided in DAUBERT (1992) About 90 Briefs of amicus curiae Amici represented by Atlantic Legal Foundation: Bloembergen, Costa, Herschbach, Karle, Langer, Leontief, Lindzen, Lipscomb, Louria, Little, Moghissi, Mossman, Nolan, Penzias, Seitz, Spilhaus, Trichopoulos, Wilson Part of ALF presentation: • None of the rules proposed would have stopped Galileo saying what he wanted, because Galileo was not talking about a civil dispute • Publication and peer review is useful and can create a rebuttable presumption Jason Daubert was born with a birth defect. His parents blamed it on a drug • BENDECTIN taken during pregnancy. No single (PUBLISHED) study showed an increase of birth defects. Several studies taken together showed a 0.8 standard deviation increase This reanalysis was done specifically for the lawsuit The Supreme Court agreed that the Federal Rules of Evidence replaced Frye They suggested six criteria, none by themselves either necessary or sufficient Has the theory been tested or can it be tested? In other words,is it falsifiable? Has the theory been peer reviewed and published? What is the known or potential risk of error? Has the theory been generally accepted in the relevant scientific community? Is the theory based on facts or data of a type reasonably relied upon by experts in the field? Does the testimony have probative value that is greater than, or not outweighed by, a danger of unfair prejudice, confusion of issues, or misleading the jury? Joiner was an engineer who had worked with transformer oil containing PCBs, and who alleged that the PCBs were the cause of his small-cell lung cancer. Only animal data and no exposure evidence were proffered According to the US Supreme Court: the proffered evidence did not “rise above subjective belief or unsupported speculation”. the proffered testimony must be not only relevant but also reliable. A lower court may: “on its own motion or on the motion of any party” appoint an expert to serve on behalf of the court. Or hold a Daubert Hearing Kumho Tire: A tyre blew out after 90,000 miles when it was bald. An “expert” who said it was inferior construction was not allowed to testify The Texas court of appeals argued that Daubert did not apply because “engineering is an art and not a science”! Stephen N. Bobo, Donald G. Carter, William J. Coad, Ernest L. Daman, John D. Graham, Nathan H. Hurt, A. Alan Moghissi, Francesco Pompei, James R. Wallace and Richard Wilson COVALT v. SAN DIEGO GAS and ELECTRIC Suit for Damage from exposure to Electromagnetic Fields at intensities of 10 milliGauss! Amici for COVALT v. SAN DIEGO GAS and ELECTRIC ROBERT K. ADAIR, NICOLAAS BLOEMBERGEN DAVID BODANSKY, ALLAN CORMACK WALTER GILBERT, SHELDON LEE GLASHOW DAVID HAFEMEISTER, JAMES H. MERRITT JOHN E. MOULDER, ROBERT L. PARK, ROBERT V. POUND, GLENN T. SEABORG ROSALYN YALOW, and RICHARD WILSON A 22 Plus LEONARD HAMILTON, DIMITRI TRICHOPOULOS and PATRICIA BUFFLER COVALT v. SAN DIEGO GAS and ELECTRIC The Epidemiological Evidence Does Not Demonstrate a Causal Association Between Electromagnetic Fields and Cancer Attributes of a Statistical Association to Consider (Sir Austen Bradford Hill) 1. Strength 2.Consistency 3.Specificity 4. Temporality 5. Biological gradient 6. Plausibility 7. Coherence 8. Experiment 9. Analogy COMMONWEALTH OF MASSACHUSSETS SUPREME JUDICIAL COURT No. SJC 08226 IN THE MATTER OF THERESA CANAVAN'S CASE MULTIPLE CHEMICAL SYNDROME Any one of a number of symptoms caused by exposure to any one of a number of chemicals separately or together Workmens’ Compensation Case Wide Latitude but MULTIPLE CHEMICAL SYNDROME is an unprovabale and unrefutable disease! IN THE SUPREME COURT OF THE STATE OF OREGON NANCY R. JENNINGS Trial Court No. A 9405-03148 Plaintiff-Appellant Respondent on Review C.A. No. A92690 v. BAXTER HEALTHCARE CORP. a Delaware corporation ALF position The discipline of causation in clinical medicine is founded on medical science and the scientific principles are the same as in other areas of science We (ALF) claimed: The Court of Appeals panel was incorrect in interpreting the Daubert principles and the parallel State principles with respect to: reliability of the proffered evidence Probability of Causation = (Risk calculated from exposure to the particular agent) / (Risk calculated from all causes) derived from Bayes therem ALAS! We lost on this one. I am unclear why. (it has gone back to the circuit court with crazy evidence admitted) The decision of the Court in ASHLAND, written by Circuit Judges Dennis and Fallon. Judge Davis dissenting) was based on the proposition that Clinical medicine is not a "hard science," that its methodology is not that of "hard science," and that consequently the evidentiary standards enunciated by the Supreme Court in Daubert v Merrell Dow Pharmaceuticals are not applicable. Yet Daubert was clinical medicine! (later Kumho Tire dealt with the issue) In KENNEDY Chronic Lymphocytic Leukemia was caused by a plutonium in a “fuel flea”? (Fragment of uranium fuel) brought home by her husband from San Onofre NPP No evidence that he brought one back Evidence of miniscule maximum exposure (probability of Causation less than 1 in 100,000) 3 week trial Appeal succeeded in 3 man panel reversed by full appeal court Why was the evidence accepted in the first place? CONCLUSIONS Scientists must sometimes step out of the ivory tower the Action is not: in scientific conferences nor in the newspapers nor in the agencies It is in the courts. GO THERE!