Although Trump does not launch his re-election bid officially until next month, his appearance at a raucous rally in an airport hangar in northeastern Pennsylvania, using Air Force One as a backdrop, had the hallmarks of a campaign event. “Sleepy Joe said that he’s running to ‘save the world.’ … He’s going to save every country but ours,” Trump said. Trump has waged a high-stakes trade dispute with China, and tariffs imposed by both countries on a range of goods have raised fears of a global economic slowdown.