retail politics at the iowa state fair. jeb bush looking to boost his poll numbers spent four hours there, sampling pork chops and practicing his fast pitch. meanwhile, his superpac is pitching in, spending $10 million on ads in the early states. as far trump, it was a claustrophobic chaotic spin through the fairgrounds. complete with a free ride for the kids on his $7 million chopper. that fox news poll gave us a snapshot of where the democratic field stands. hillary clinton still had a wide lead, 49% support in the latest poll. it is down a couple from early august. bernie sanders, 30%, an eight-point jump from early august. joe biden, hasn't announced, but he's at 10% in the polls. sources kell cnn they want joe biden to make a decision by