Democrats comfortably control the House of Representatives , and with the assistance of two Democratic-allied independents have the 60 votes needed to overcome a Republican filibuster in the Senate . Democratic differences on public option , up and down health care overhaul . Move for more Afghan troops also drew opposition among Democrats . Support for President Obama , congressional Democrats slip among liberals . Democratic National Committee official party divisions .
Democratic differences on public option , up and down health care overhaul . Move for more Afghan troops also drew opposition among Democrats . Support for President Obama , congressional Democrats slip among liberals . Democratic National Committee official party divisions .