Unlike the 5,644 Democrats in Luzerne County, Pennsylvania, who changed their party registration to Republican in 2016, presumably so they could vote in the closed 2016 Republican primary, Ed Harry did not. He didn't formally leave his party at the beginning of the election -- but his eye did wander. At D's Diner, Harry dusts the crumbs from his white toast off of his deep- navy Penn State sweatshirt and switches from coffee to pop. As the young utility workers at the next table leave, he tips his hat, and they return the gesture. He says of former Democratic...