Planned Parenthood is swinging behind Hillary Clinton in the Democratic presidential race and says that won't mean negative campaigning against her primary opponents.
The endorsement by the group's political arm marks Planned Parenthood's first time wading into a presidential primary, and it comes as Clinton remains locked in a tight contest with Bernie Sanders in Iowa and New Hampshire, home of the first two nominating contests. Former Maryland Gov. Martin O'Malley trails both rivals in the race....