Former President Donald Trump was seen serving customers at a McDonald’s Corp. (NYSE:MCD) drive-thru in Pennsylvania on Sunday, while continuing to ridicule Vice President Kamala Harris’s past work experience at the fast-food chain. What Happened: Trump swapped his suit jacket for an apron at a McDonald’s outlet in Bucks County, operating the fry cooker and serving an order to a drive-thru customer. He said he was running against somebody who said she worked at McDonald’s. Former White House press assistant Margo Martin shared some videos of the ex-presidents at the McDonald’s location via X. …