WASHINGTON - NOVEMBER 20:  Rep. Brad Sherman (D-CA) (L) congratulates House Oversight and Government Reform Committee Chairman Henry Waxman (D-CA) after the House Democratic Caucus meeting on Capitol Hill November 20, 2008 in Washington, DC. Waxman wrested control of the influential Committee on Energy and Commerce from its current chairman, Rep. John D. Dingell (D-MI), by a vote of 137 to 122. Getty Images logo Getty Images 12 months ago

WASHINGTON - NOVEMBER 20: Rep. Brad Sherman (D-CA) (L) congratulates House Oversight and Government Reform Committee Chairman Henry Waxman (D-CA) after the House Democratic Caucus meeting on Capitol Hill November 20, 2008 in Washington, DC. Waxman wrested control of the influential Committee on Energy and Commerce from its current chairman, Rep. John D. Dingell (D-MI), by a vote of 137 to 122.