(CNN) – Republican John McCain gave David Letterman a taste of his own medicine Tuesday night.
The late night talk show host often pokes fun at the 71-year-old senator because of his age. But McCain interrupted Letterman's monologue to get in a few shots of his own.
You think that stuff's pretty funny, don't you?" McCain told Letterman: "Well, you look like a
guy whose laptop would be seized by the authorities."
Click here to watch the full exchange!