The D.C. foreign policy establishment is growing restless as the Biden White House resists calls to articulate a more specific strategy if Ukraine fails to make significant gains by the fall.

As we approach the three-month mark in Russia’s attack on Ukraine, there is plenty of cause for optimism—a “dynamic stalemate” in which Russia’s military is collapsing while Ukraine is fighting with discipline, valor, and Western aid. But as one Russian military expert told me, Russia is focused on “grinding down” the Ukrainian military. The word he used, though, was “peremolot',” which can be translated to describe something that a wood chipper does.