DES MOINES, Iowa (AP) — Some things never change: Republican John McCain dislikes farm subsidies. "I have to give you a little straight talk about the farm bill that is wending its way through Congress," McCain said Thursday at the Polk County Convention Center. "I do not support it. I would veto it," he said. "I would do that because I believe that the subsidies are unnecessary." McCain was in the heart of farm country, a place where subsidies for corn and ethanol fuel are wildly popular. His long-held position against subsidies has cost him in Iowa, the state that...