An Orthodox priest tries to calm police and protesters in Ukraine | Getty

Some wars you can see coming: Germany gobbles up Austria and large parts of Czechoslovakia; it militarizes the Rhineland and trespasses upon every agreement it had made regarding the size and appointment of its armed forces. Winston Churchill saw it coming as early as 1935, long before the Anschluss. In “Hitler and His Choice,” Churchill acknowledged that the new German leader had recently “offered many words of reassurance, eagerly lapped up by those who have been so tragically wrong about Germany in the past. Only time can show, but, meanwhile, the great wheels revolve; the rifles, the cannon, the tanks, the shot and shell, the air-bombs, the poison ...