AS SOON AS SIMON COWELL enters the judges’ holding room at the Pasadena Convention Center, he’s being filmed. Two TV cameras, a still camera and three booms follow him to a corner, where a Dunkin’ Donuts banner hangs over a table of coffee and doughnuts. It’s not clear whether Cowell, who’s wearing sunglasses indoors, genuinely wants caffeine or is smartly giving some TV airtime to a sponsor of America’s Got Talent.
Cowell, 56, knows this building well — in 2002, during the first season of American Idol, the show he helped create and, let’s face it, dominated in its prime, the first round of auditions was held here. But America’s Got Talent, he says, “is more fun than Idol. After you’ve heard 10,000 singers, you think, ‘Bring on a dancing…
