Fred Kaplan summarizes the outgoing message of departing Defense Secretary Robert Gates. It's that like it or not (and some really don't like it), the defense budget of this country is going to be cut and we can't fulfill — and this part is me talking now — William Kristol's wet dream of the U.S. being at war with everyone at the same time. Can you imagine the possibilities if we actually have to think carefully before we invade someone?