At a conference I attended recently in DC, I had the chance to show a lot of my colleagues around the downtown monuments. For them, many from other countries, seeing the Lincoln, the Washington, the Capitol, was once in a lifetime – for me, it was Tuesday. At one point, a German in the group – fatigue in his voice – asked me, “Tell me… How can Americans keep voting for Trump?” The term Trump was shorthand for Americans’ embracing nationalism and rejecting globalism, which seems oh-so backwards to our European cousins. I think he expected me to dance around...