President Barack Obama kicked off his three-day Iowa tour with a clarion call to view this election as a stark choice about America’s future — and ended the day in the Bud Tent at the Iowa State Fair. Before he got to his Bud Light and pork chop, there was plenty of red meat politics, and lots of idyllic Iowa scenes. He stopped at a farm to talk about the drought and rode by scores of wind towers, hundreds of people waving American flags, and thousands of acres of drought-shriveled corn..Des Moines Register Wisconsin Rep. Paul Ryan scores the lowest initial ratings from Americans of any vice presidential pick since the controversial choice of Dan Quayle nearly a quarter-century ago, a weekend USA TODAY/Gallup Poll