As the 2012 presidential election season heats up, political bloggers, pundits and reporters will all be asking, "Who is more fit to be President?" We want to ask the same question, but much more literally. We step off the campaign trail to look back at presidents past (and one current) to highlight 12 of our nation's most physically fit leaders. Just scroll over their nameplates to get the real evidence that these commanders-in-chief made the cut.