WASHINGTON (Reuters) - Democrats, who won majorities in the U.S. Congress in last week's elections, said on Sunday they will push for a phased withdrawal of U.S. troops from Iraq to begin in four to six months. "The first order of business is to change the direction of Iraq policy," said Sen. Carl Levin (news, bio, voting record), a Michigan Democrat who is expected to be chairman of the Senate Armed Services Committee in the new Congress. Levin, on ABC's "This Week," said he hoped some Republicans would emerge to join Democrats and press the administration of President George W....