Writing in The Washington Times, Dan Oliver asks:

As Russia amasses troops on Ukraine’s borders, Americans — and especially Europeans — should be asking two questions: What country in Europe is America willing to fight for, and for what country in Europe has America committed itself to fight? 

Read more: http://www.washingtontimes.com/news/2014/apr/7/oliver-after-ukraine-what/#ixzz2yIyTqAbT