Palin moves spark 2012 speculation By: Andy Barr May 25, 2011 07:41 PM EDT Sarah Palin is fond of saying she’ll feel compelled to run for president “if nobody else were to step up.”It just might come to that.The recent departures of Mitch Daniels and Mike Huckabee from the 2012 GOP field, combined with a flurry of recent moves by Palin—staff changes, the purchase of a home in Arizona, the Iowa premiere of a new feature-length film extolling the former Alaska governor—is rekindling speculation that she sees an opportunity in 2012 and may be thinking more seriously than ever about...