BBC News - Newsnight - Will Sarah Palin run for president and can she win?
Hugely energetic, she ferociously sold herself as a small town "hockey mom" who understood ordinary Americans.
A series of interviews in which she seemed to have little understanding of policy and scant knowledge of foreign affairs embarrassed the Republican establishment, but did little to dent her popularity among many voters.
When I asked her about the endless claims that she was not intellectually up to the job, Ms Palin seemed tense.
(Click on link to view interview transcript/video)