@cnn: Donald Trump swapped his suit jacket for an apron to work the fry cooker and drive-thru window at a McDonald's in Pennsylvania on Sunday. Manning the fry machine is the same job Kamala Harris has said she held as a young woman, a biographical detail revealed during her first campaign for president. It has since become a centerpiece of the middle-class origin story she has made key to her pitch to voters as the Democratic Party's presidential nominee.