Play of the Day -- Stewart calls GOP race a season of 'American Idol' in reverse

Rumors are again swirling that New Jersey Gov. Chris Christie could join the Republican presidential race. This was not music to Jon Stewart's ears. "You want to add another candidate? It's like the Republican primary is a season of 'American Idol' in reverse where every week, you just add some other idiot," Stewart joked on Monday. He said, "All that's missing is the humiliating audition where the contestant mangles one of your favorite songs" -- at which point he cuts to Christie singing ... one of Stewart's favorite songs. Watch to see which Garden State favorite the governor tries to cover. And don't miss today's Must See Moment at 2:12 where Stewart suggests a couple of new looks for Republican presidential candidate Ron Paul: