This is about distance, and detachment, and a kind of historic decoupling between the top and the bottom in the West that did not, in more moderate recent times, exist.

Recently I spoke with an acquaintance of Angela Merkel, the German chancellor, and the conversation quickly turned, as conversations about Ms. Merkel now always do, to her decisions on immigration. Last summer when Europe was engulfed with increasing waves of migrants and refugees from Muslim countries, Ms. Merkel, moving unilaterally, announced that Germany...