I think she can do it as well. The question becomes, will she do it. I've seen several pundits give some very quality advice to her the last several days. Unfortunately, some of this advice would result in Palin changing or altering some things that her most fervent supporters love.
You'll frequently see comments like, "don't change a thing Sarah". Unfortunately, if she doesn't improve some aspects of her viability, she'll never begin to reduce her negative numbers. Contrary to what the Palinphiles think, she does need some professional coaching, she does need to improve her vocabulary and she needs to stop speaking in bumper sticker - essentially she needs to become a little more conventional. That's not going to be well received by her base.