Senate Health, Education, Labor, and Pensions Committee Chairman Rep. Tom Harkin, D- Iowa, gestures during a hearing on the human health impact of the Gulf of Mexico oil spill, Tuesday, June 15, 2010, on the Hill in Washington. (AP Photo/Evan Vucci)
Senate Health, Education, Labor, and Pensions Committee Chairman Rep. Tom Harkin, D- Iowa, gestures during a hearing on the human health impact of the Gulf of Mexico oil spill, Tuesday, June 15, 2010, on the Hill in Washington. (AP Photo/Evan Vucci)
