Donald Trump The Great Uniter?

*********** Via Kathleen Parker for WaPo BANNER ELK, N.C. Even the least popular presidents sometimes do great things. What might Donald Trump’s great thing be? He has unified a divided nation. He has brought Republicans and Democrats together as only just wars can. He’s brought women, scientists, minorities, teachers, journalists, professors – and no, they’re not all liberal – out of their favorite laptop seats and moved them to march, protest and, most important, run for public