Robert F. Kennedy Jr. on Sunday used a Super Bowl ad to confirm his independent presidential run, further solidifying his decision to run as a third-party candidate after ditching the Democrats. What Happened: A super PAC supporting Kennedy ran a campaign ad during the Super Bowl, confirming his independent presidential run. The ad, a remake of his uncle’s famous 1960 presidential campaign ad, urged viewers to “vote independent” and “vote Kennedy.” The$7 million ad, which aired during the Super Bowl, was a nostalgic throwback to the 1960s, featuring the Kennedy family and a strong “Fallout” th…