As has happened so many times before in European history, an aggressor’s bombs and tanks are wreaking horror and havoc on a weaker neighbor. This time, the victim is Ukraine, a member state of the United Nations inhabited by 44 million people; the perpetrator is Russia, whose repressive ruler, President Vladimir Putin, insists — contrary to black-letter international law — that Ukraine has no sovereign rights he is bound to respect. Once again, civilized life in this strategically vital continent is being overwhelmed by blood and fire. The conflict may be contained — for the…
