Crazies are my weakness, so I have to confess I do keep up with the freak show that is Sarah Palin on narcissism parade. Every day there’s new insanity to inspire jokes —  after she quit her Hawaiian vacation someone on Twitter cracked that she couldn’t finish a piece of pumpkin pie. But the high point came on her book-signing stop in Salt Lake City, when Costco removed all the tomatoes for fear of pelting. Have to give her credit, though. She briefly accomplished the impossible: separating Americans from out-of-season produce.