Confirmation of a Palin house purchase in Scottsdale likely would rekindle chatter about whether Palin might run a political campaign out of Arizona, the home state of U.S. Sen. John McCain, who plucked her from relative political obscurity in 2008 to be his vice-presidential running mate.

Palin has been rumored to be considering headquartering her 2012 White House campaign, if there is one, in Scottsdale. She also has been mentioned as a possible candidate for the U.S. Senate seat being vacated by the retiring Sen. Jon Kyl, R-Ariz.