McGovern listens to a constituent in 1974. Jim Mone/AP hide caption

itoggle caption Jim Mone/AP

Republican presidential candidate Mitt Romney lived in Stevens Hall while he was attending Cranbrook School in Bloomfield Hills, Mich. Bill Pugliano/Getty Images hide caption

itoggle caption Bill Pugliano/Getty Images

Paul Ryan addresses the Family Research Council Action Values Voter Summit in Washington, D.C., on Friday. Mandel Ngan/AFP/Getty Images hide caption

itoggle caption Mandel Ngan/AFP/Getty Images

Towns near the Ohio River, including Steubenville, seen here in 2009, are home to many undecided voters. One of them, Brian Snider, says, "This is pretty much a ghost town." Rick Gershon/Getty Images hide caption

itoggle caption Rick Gershon/Getty Images