‘American Idol’ at crossroads after Tyler’s exit

FILE - In this Jan. 8, 2012 photo, "American Idol" judge Jennifer Lopez, center, reacts as fellow judge Steven Tyler, left, of Aerosmith makes a joke about wearing Lopez's pants as Randy Jackson and Ryan Seacrest are seen at right during the "American Idol" panel at the Fox Broadcasting Company Television Critics Association Winter Press Tour in Pasadena, Calif. "American Idol" is on the brink of a crisis, Thursday, July 12, 2012, as judge Steven Tyler is leaving, and fellow judge Jennifer Lopez is dithering about staying put. (AP Photo/Danny Moloshok, File)"American Idol" is on the brink of an adolescent identity crisis.