In its Person of the Year cover story, Time magazine gave Donald Trump the title “President of the Divided States of America.”  With good reason.  A glance at the electoral map shows solid blue on the west and northeast coasts and, in between, a huge swath of red extending across all but five states.  Although Hillary Clinton won the popular vote by a healthy margin, Trump won 2,623 counties to Clinton’s 489.  The modern United States pits the coasts against ...