NEW YORK (Reuters) – Pop singer Jennifer Lopez will be returning to "American Idol," joining new judge Grammy- and Emmy-award-winning singer Harry Connick Jr. and veteran Keith Urban on the popular TV singing competition, Fox Broadcasting said on Tuesday. Randy Jackson, who has been on the judging panel since the show started in 2002 and announced he would be leaving earlier this year, will return as an in-house mentor for the show's 13th season in January. …
