The women I have just named are all Republican, conservative, experienced, and reasonably intelligent (I mean, they are Republicans, I can only take this so far...). So why not them?
Because we live in a sexist and cruel world. And because Olympia Snowe looks like this:
Sarah Palin is qualified in that she is pretty and unintelligent and ultimately not threatening to the idiot male base of the Republican party. She is obviously a supremely ambitious woman, so where are the ball-breaking, gird your loins jokes?
Conspicuoulsy absent, if you ask me.