Former President Donald Trump will make an unusual stop in Pennsylvania this weekend: to work behind the counter at a McDonald’s. Trump will visit the state for a third time this week on Sunday to “work the fry cooker” as part of an effort to tamp down on his Democratic opponent Vice President Kamala Harris’ campaign message about working at McDonald’s while in college, according to a source familiar with the matter. It is unclear where in Pennsylvania the former president will appear at McDonald’s. Trump is scheduled to attend the Steelers-Jets game in Pittsburgh on Sunday, CBS news station...