Sen. Saxby Chambliss, R-Ga., chairs a Senate Agriculture, Nutrition and Forestry Committee hearing about the dangers of avian influenza during a hearing on November 17, 2005, on Capitol Hill in Washington. Commonly called bird flu, the disease has the potential to kill millions of people and the Senate committee is looking at the role of U.S. agriculture in the fight against its spread. (UPI Photo/Roger L. Wollenberg)