A man has been charged with sexually assaulting a girl at a daycare center where he previously worked in Bucks County, Pennsylvania, police said. Mark Charles Stump, 68, of Warminster Heights, has been charged with aggravated indecent assault of a person less than 13, corruption of minors, indecent assault of a person less than 13, and indecent exposure, according to the Upper Southampton Township Police Department. He was arraigned and released…