McCain says he would veto farm bill Published: May 2, 2008 at 9:11 PM DES MOINES, Iowa, May 2 (UPI) -- Sen. John McCain, R-Ariz., told an audience of Iowans that if he were president, he would veto a farm subsidy bill now making its way through Congress. "I do not support it. I would veto it," McCain told the audience of about 250 people in Des Moines Thursday. "I would do that because I believe that these subsidies, the subsidies are unnecessary." The Republican Party's presumptive presidential nominee later told The Des Moines Register in an interview, "At this...