"Randy Jackson is leaving ""American Idol"" after 12 years as a judge, and he might not be the only one. But who should take his place? Harry Connick Jr. has been a mentor on ""Idol,"" but does he have what it takes to be a regular judge? Even he's not so sure. As <a href=""http://www.ellentv.com/2013/05/08/will-harry-connick-jr-judge-on-idol/"" target=""_blank"">he recently told Ellen DeGeneres</a>, ""I had a good time mentoring. Judging is a whole different deal,"" he said. ""I don't know how good I would be at that."" Here are some of our other suggestions:"