No one knows what Putin is doing in Ukraine

Maybe not even Putin

There were a lot of things I wanted to write about this week—the return of lethal U.S. “dollar diplomacy” in Afghanistan, the untimely death of Dr. Paul Farmer—but, well, circumstances intervened. After weeks of debate and disbelief, the unthinkable happened last night, when Russia launched a full-scale invasion of Ukraine.

The reason there was so much u…