On 6 May 2010 the American President’s Cancer Panel released a bombshell in its annual report, stating that 41 percent of Americans will get cancer in their lifetimes. While efforts to fight cancer have focused on genetics, the report noted, “the true burden of environmentally induced cancers has been grossly underestimated.” Carcinogens and other toxic chemicals “needlessly increase health care costs, cripple our nation’s productivity, and devastate American lives.”¹ The report recommended a precautionary approach to environmental carcinogens that would shift the burden of proof to industry. Rather than requiring the government or consumer to prove harm after a chemical