Richard Cohen had it best:
It would behoove us, though, to consider how close we all came to utter disaster -- the "counterfactual" suggested above. A recent Vanity Fair article clarifies just how awful a vice president (or president) Palin would have made. During the campaign, she proved allergic to briefings and remained determined to stay uncorrupted by knowledge. More recently, she explained her decision to -- permit me some GOP talk -- cut and run as Alaska governor by lapsing into no known language, explaining herself afterward in a burst of Tweets that only raised more questions. One question, though, has been settled: She is unfit for office.