Suddenly, it's a whole new ballgame. As Democrats and Republicans prepare to cast their ballots in the Iowa caucuses and the New Hampshire primary, the presidential nominations are up for grabs. U.S. News photographer Jim Lo Scalzo traveled across Iowa as several candidates made late-December campaign swings through the Hawkeye State. Here, supporters of Democratic candidates put up billboards outside Maytag Auditorium in Johnston, the site of the final debate before the Iowa caucuses.