U.S. Environmental Protection Agency Administrator Lisa Jackson testifies at a hearing of the House Subcommittee on Oversight and Investigations in Washington

 
U.S. Environmental Protection Agency Administrator Lisa Jackson testifies at a hearing of the House Subcommittee on Oversight and Investigations in Washington
U.S. Environmental Protection Agency Administrator Lisa Jackson testifies at a hearing of the House Subcommittee on Oversight and Investigations on Capitol Hill in Washington, September 22, 2011. REUTERS/Jonathan Ernst