The Clinton-Kaine signs were still up on the afternoon of Dec. 24, sagging in the snow like tombstones of hope. They flashed by the windows as I drove through my hometown of Lincoln, Mass., where 77.7 percent of residents voted for Hillary Clinton. Hanging off porches behind some of the Clinton signs were New England Patriots flags. For over a decade now, people outside of New England have reviled the Patriots for turning winning into a science and, many believe, cheating to do so. Pats fans doubled-down in response, and a fierce loyalty took root in Massachusetts that, through the...