"Where have all the flowers gone?" asks the famous 1960s antiwar song. In Moscow today, The New York Times reports, the question is: Where have all the men gone? The answer to both questions is, in part, the same: To the graveyards of soldiers. But a lot of the missing men of Moscow have also fled Russian President Vladimir Putin's draft for his war in Ukraine. In fact, demographers say Russia may not recover for generations, if ever. "Putin spent years racing against Russia's demographic clock, only to order an invasion of Ukraine that's consigning his country's population to a...