Putin was surprised at how easy Crimea went. Obama is nothing if not consistent when it comes to undermining allies and appeasing enemies. He kept on being flexible even as Russia was invading a potential NATO member. As Russian President Vladimir Putin's forces took over Ukraine's Crimean peninsula in early 2014, the interim Ukrainian government was debating whether or not to fight back against the "little green men" Russia had deployed. But the message from the Barack Obama administration was clear: avoid military confrontation with Moscow. That's easier to do when you aren't being invaded by Moscow. But nonetheless, McFaul...
