Politics: The career of Roland Burris, a political cipher from Illinois who became a U.S. senator and the lamest of ducks, is over. He can now retire into the obscurity he so richly deserves.Having obtained the seat under a cloud of typical Illinois corruption, Burris announced Friday he won't run for a full term in 2010. He was appointed by the former and recently impeached Gov. Rod Blagojevich who, among his other accomplishments, tried to auction off the seat formerly held by Barack Obama. Blagojevich was forced out of office and may soon join other Illinois governors who went on...