In a televised address on Wednesday morning, President Vladimir Putin promised to ensure the security of upcoming “referendums” in occupied Ukrainian territories and declared Russia would conduct a “partial mobilization.” These announcements represent an about-face from the Kremlin’s position on these issues mere days ago, likely reflecting Putin’s realization that drastic measures are necessary to avoid defeat in Ukraine. While mobilization likely will not buy victory for the Kremlin, it could enable Moscow to sustain the war and hold already occupied territory, although mobilized Russian troops will take time to arrive on the battlefield in large numbers. After railing against…