This sounds like the best idea since Rush Limbaugh hosted Monday Night Football: A source tells Page Six that Howard Stern is producers’ top choice to replace Simon Cowell on American Idol. Stern’s Sirius XM Radio deal expires in January, and Idol might have the cash to lure him away. However, a second source says that Stern has been sending mixed messages. "We believe this is a ploy to make Sirius pay up and keep him on his huge contract. But if Sirius can't pay him the money he wants, he may negotiate to film Idol on the side."