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 TrillinMath was always my bad subject. I couldn't convince my teachers that many of my answers were meant ironically.
Calvin Trillin