Cheese for Brains

Here's a riddle for you: two of us in the photo are wearing cheese on our heads, but only one person in the photo has cheese for brains. My Mom says that's a really rude thing to say and that I'll probably get some angry emails, and I bet I will -- but there are only 6 days to go before the election and I'm getting angry at some of the things Mr. Bush is saying about my guy, so there!!