There is a dawning recognition that the continent urgently needs to step up its own defense, especially as the U.S. wavers, but the commitments still are not coming.
Vice President Kamala Harris tried to reassure European and Ukrainian leaders that America would come through with security aid. But worries persist as House Republican leaders block the measure.
American spy agencies are divided on whether Moscow would go so far, but the concern is urgent enough that Secretary of State Antony J. Blinken has asked China and India to try to talk Russia down.