Sarah Palin may be edging closer to a 2012 presidential run, telling Fox News "I would give it a shot" if the American people think she's "the one." The former Alaska governor and 2008 Republican vice presidential nominee was in Des Moines, Iowa, Friday for the Reagan Dinner, a big GOP fundraiser in the heart of water-testing country for presidential candidates. Palin has remained coy about her ambitions, but she elaborated a bit in an interview with Fox News, attaching several conditions to the possibility of a 2012 presidential run. "If the American people were to be ready for someone...