Sarah Palin coy about 2012 run, but door is open (AP)

In this photo released by ABC, former Alaska Governor and Republican Vice-Presidential candidate Sarah Palin, left, is photographed with ABC's Barbara Walters, at a New York City hotel, Friday, Nov. 13, 2009. Walters' interview with Palin will air in segments starting with 'Good Morning America,' on Monday, Nov. 17. (AP Photo/ABC, Steve Fenn)AP - Sarah Palin said in an interview broadcast Tuesday that a 2012 presidential bid is "not on my radar," but wouldn't rule out playing some role in the next presidential election.