Sen. Rand Paul made it to The Late Show the other day.
I think he held his own against Letterman. Letterman kept making the annoying claim about taxing the rich and Paul kept shooting it down. Keep in mind that Letterman is raking in 45 million a year when he talks about himself as 'middle class' toward the end of the clip.
The other part that I do like about the clip is how Sen. Paul isn't afraid to call the old Republican party what it was the past few years. Basically, Democrat Light.