A spicy Gov. Tim Walz (D-MN) took the stage in Madison, Wisconsin, on Tuesday afternoon with former President Barack Obama and lambasted Donald Trump for “cosplaying” as a McDonald’s worker. Trump went to McDonald’s after Vice President Kamala Harris mentioned in passing that she worked for a summer at the “Golden Arches.” Trump pounced on the comment and has maintained, without evidence, that she fabricated working there. McDonald’s doesn’t have records going back that far, they said in a statement. “You might have seen this,” Walz said. “He went to a McDonald’s and dressed up as the drive-th…