If you've been paying attention to the news this week, you might have heard that Congress now considers pizza to be a vegetable.We at HuffPost Comedy aren't ones to argue with Congress, so we figured we'd speed up their future school lunch-related rulings by pointing out 11 other things that must be vegetables, given the pizza precedent.Carrot cake, candy corn and even vodka make the list (hey, it's made from potatoes).