The mark of a great portrait is its power to reveal the soul of the man or woman being captured. To me, the large banner photo of Trump (below) shown on Trump's current Twitter page is an artful portrait of the man. Here are some things it conveys to me: Amid the whirlwind of political fighting and legal overthrow of a corrupt government, Trump can also retreat into the calmness and repose of a man comfortable with who he is. Though he's comfortable in his Versailles-like apartment at Trump Tower, he notices that the White House, too, has some...