I'm glad I watched this clip, because I was worried that David Letterman had caved too quickly over faux outrage. Some fairly tame jokes about Sarah Palin have spawned colossal overreaction by the right-wing blogosphere, and from the Palins themselves.
These folks have a serious problem interpreting comedy. And they are prone to extreme exaggeration. Honestly, if they are this outraged about Letterman's comments, what must they think of Kathy Griffin or Lisa Lampanelli? Good grief. Anyway, the whole affair makes for a fairly entertaining Late Show with David Letterman clip.