Donald Trump is not a serious candidate. Donald Trump is not a serious man. The truth of these statements is supposed to be self-evident. But one begins to wonder, are they true?

The opportunity to watch Washington graybeards at the Council on Foreign Relations jump over each other to take cell phone photos of George Clooney provided reason enough to attend Tuesday’s event on Sudan. But the discussion with Clooney and Enough Project co-founder John Prendergast offered…