Sen. Barack Obama on Wednesday defended Sen. Hillary Rodham Clinton for describing the House of Representatives as a "plantation," saying he felt her choice of words referred to a "consolidation of power" in Washington that squeezes out the voters. The senator told CNN's "American Morning" he believed that Clinton was merely expressing concern that special interests play such a large role in writing legislation that "the ordinary voter and even members of Congress who aren't in the majority party don't have much input." "There's been a consolidation of power by the Republican Congress and this White House in which, if...