Let's begin with the obvious: Ukraine is toast. There is little or no chance that the country will be able to endure, given Russian military superiority. Thus, the Western “strategy,” such as it was, to tempt Ukraine progressively closer to NATO and the EU, all while shielding Ukraine against potential Russian aggression with (mostly idle) threats of “severe economic sanctions,” has failed, and spectacularly so! The key question now is: what penalty will Russia pay for its impertinence, as the West sees it? And how long will it pay? Will sanctions be mild or severe? Will they last weeks, months,...