Supernanny is a TV show about children who will not eat their dinner. Well, at least that's one of the main behavior issues the titular Supernanny Jo deals with when going into the homes of American families. I loved watching Supernanny as a kid. Much like Wife Swap and Maury I was obsessed with watching families on TV that were far more dysfunctional than mine could ever be. I looked at that 8-year-old on Supernanny with contempt, thinking, “I'm eight too, and I would never act like this. That…