Bill Koch (center) celebrates his team's 1992 America's Cup win. Koch, the brother of billionaire GOP donors Charles and David, has given $2 million to the superPAC backing Mitt Romney.
Vince Bucci/AFP/Getty Images
President Obama boards Air Force One at Andrews Air Force Base in Maryland, en route to Florida, on April 10. Whenever a president runs for re-election, his travel tends to become a political issue.