Amy Klobuchar exits White House race, will back Biden

Amy Klobuchar, a Midwestern moderate, will end her underdog presidential campaign and endorse Joe Biden, her team said Monday, on the eve of the biggest voting day in the Democratic nomination race."The senator is flying to Dallas to join vice president Biden at his rally tonight where she will suspend her campaign and endorse the vice president," a Klobuchar campaign spokesperson told AFP.The move is a major boost for former vice president Biden, following the withdrawal of another moderate, Pe