Rep. Joe Barton, R-Texas, center, confers with subcommittee ranking member Rep. Michael Burgess, R-Texas, left, and unidentified counsel, right, during a joint House subcommittees' hearing of Oversight and Investigations and of Energy and Environment regarding the role of the Interior Department in the Deepwater Horizon disaster, on Capitol Hill in Washington, Tuesday, July 20, 2010. Manuel Balce Ceneta AP