When I was a kid, there was a really bad joke where one of the bullies would walk up to you and ask if you wanted a donut. You'd say sure, and they would punch you, twist your arm, or pull your hair and say "SUCKS, DONUT!" (I didn't grow up in an area of particularly nice or intelligent children.) But it's always stayed in the back of my mind, because when someone asks me if I want a donut, or anything for that matter, I think really hard about what I want or don't want. I th