With the Olympics about to begin, Priorities USA Action, a super PAC aligned with President Barack Obama, released an ad that used Olympic images to attack Mitt Romney. The ad shows a beaming Romney at the Olympic opening ceremonies. As each national team enters the stadium, an announcer provides a corresponding quip. "China, home to a billion people. Thousands owe their jobs to Mitt Romney’s companies ... And Burma, where Romney had the uniforms made for the 2002 games." Olympic authorities moved swiftly to get Priorities USA Action to withdraw the ad because of unauthorized ...