Rand Paul on 'The Late Show with David Letterman'

Why can't we just all be friends? David Letterman had some fightin' words for Sen. Rand Paul on The Late Show after the Tea Partier insulted some audience members.

Updated 04.24.17 4:31PM ET / Published 02.25.11 7:34AM ET

Why can't we just all be friends? David Letterman had some fightin' words for Sen. Rand Paul on The Late Show after the Tea Partier insulted some audience members.