ATLANTA (Reuters) - Chris "Mac Daddy" Kelly of the 1990s rap duo Kris Kross likely died of a drug overdose, police said on Thursday, a day after the 34-year-old was found unconscious at his Atlanta home. Kelly gained fame as a young teen in 1992 with the hit song "Jump" and for the duo's fashion trademark of wearing their clothes backward. "Based on the information at the scene, we are concluding that it was a drug overdose," said Corporal Kay Lester, spokeswoman for the Fulton County Police Department. ...