There's always a source for humor [in politics]. If it's inappropriate to write about, if there's nothing funny about it, then it's not funny. So it sort of selects itself. It has to. And plus, often something that wouldn't be funny at the time is okay to make jokes about later.
Calvin TrillinI never did very well in math - I could never seem to persuade the teacher that I hadn't meant my answers literally.
Calvin Trillin