FILE - In this Aug. 12, 2011, file photo, former Alaska Gov. Sarah Palin greets the crowd after she was interviewed by Sean Hannity of FOX News at the Iowa State Fair in Des Moines, Iowa. Palin soon will end the will-she-or-won't-she presidential speculation that has trailed her for two years _ and that she has fueled with abandon, perhaps to the detriment of her potential candidacy. (AP Photo/Charles Dharapak)