Celebrity chef Jamie Oliver has entered the Sarah Palin-Michelle Obama food fight, lobbing a sugary-but-not-so-sweet statement in Palin's direction: He called her a "Froot Loop" for criticizing the Obama administration's healthy eating initiatives. The US is in a "really dark moment" when it comes to children's health and needs to make it a priority, said Oliver—who thinks his TV show can help. The chef tried to make over the diets of a West Virginia town in Jamie's Food Revolution, and is filming a new version in LA, reports the AP. "I think America's going to react very strongly to what I've filmed in the last two months." (More Jamie Oliver stories.)