Yesterday, we offered sartorial advice to Rush Limbaugh: Button Your Shirt, Rush – No One Wants To See All That Skin.

Last night, David Letterman also noticed Rush’s exposed flesh:

DAVID LETTERMAN: What about this bonehead Rush Limbaugh? Honest to God, I mean what is going on there?

KATIE COURIC: Dave, don’t do this to me, please! Don’t do this to me.

LETTERMAN: He gets up in Washington and he’s the keynote speaker at some function, and he comes up, he looks like an Eastern European gangster. You know, he’s got the black jacket on, the black silk shirt and it’s unbuttoned, like, “oh yeah, you think Rush Limbaugh, you think ooh let’s see a little flesh.” [audience laughter] Honestly, you know, what is he doing?

COURIC: On a serious note, although I’m thrown by the Rush Limbaugh flesh in one sentence, but I think it’s sort of indicative of this power vacuum that exists right now in the Republican party…