So here’s Obama’s opinion: Ukraine should not get military aid from the West because even with American help, Russia would still mop the floor with them. And this, according to the Times, is what Obama thinks will intimidate Putin into signing a peace treaty. I’ll offer the president some free advice: telling Putin the world is too weak to stop him isn’t very intimidating. Yet even if the West got Putin to sign on to a new agreement, nothing will have been accomplished. Putin has been violating the last ceasefire agreement, because there’s no one to enforce it. What Obama,...