Mad cow discovery reignites debate: Are U.S. food-safety laws too lax?

FILE - In this Sept. 20, 2011, file photo Rep. Michele Bachmann, R-Minn., looks at hanging beef carcasses at Amend Packing Co. in Des Moines, Iowa. Before the announcement Tuesday, April 24, 2012, of the discovery of mad cow disease in a dead dairy cow in California, the USDA was forecasting overall U.S. beef exports would be 2.7 billion pounds this year, a slight decline from 2011 because supplies are expected to be tighter this year.(AP Photo/Charlie Neibergall, File) ( Charlie Neibergall )

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