Senate Environment and Public Works Committee Chair Sen. Barbara Boxer, D-Calif. , back to camera, presides over the committee's vote on a climate bill, Thursday, Nov. 5, 2009, on Capitol Hill in Washington. Senate Democrats sidestepped a Republican boycott, empty seats at right, pushing a U.S. climate bill out of committee in an early step on a long and contentious road to passage. AP Photo logo AP Photo 1 month ago

Senate Environment and Public Works Committee Chair Sen. Barbara Boxer, D-Calif. , back to camera, presides over the committee's vote on a climate bill, Thursday, Nov. 5, 2009, on Capitol Hill in Washington. Senate Democrats sidestepped a Republican boycott, empty seats at right, pushing a U.S. climate bill out of committee in an early step on a long and contentious road to passage.