Sarah Palin Tells Barbara Walters She's Considering Presidential Run and Believes She Can Beat Obama

Sarah Palin tells Barbara Walters in a Nightline interview (airing December 9 — they're already teasing it) that she's considering a Presidential run.

Says Palin: ""I'm looking at the lay of the land now, and ... trying to figure that out, if it's a good thing for the country, for the discourse, for my family, if it's a good thing."

Asked if she could beat Obama: "I believe so."