The Suite Life of Zack and Cody – like, identical twins, living in a hotel, with a mother from the workaday entertainment industry but plenty of freedom to get into trouble on their own? Those are child stars. I kind of wonder if Nickelodeon isn’t running a feedback loop in teen TV – supercreator Dan Schneider was on Head of the Class, and a lot of his material is basically about how fun (and sexy) it is to hang out with a bunch of teen actors and actresses