Donald Trump made a splash by rallying in New Jersey, a state where some polls show he doesn’t have a shot, but social media users were more focused on the former president’s slip-up on China. One of the first things Trump said at his rally in the Garden State went viral online. He thanked someone in the crowd, a former football player and Trump “golfing friend,” named O.J. While Trump was roundly mocked, some said Trump was referring to someone other than the late accused murderer O.J. Simpson. The next thing that caught attention online was Trump’s reference to China. Want more breaking poli…