Trump remains bafflingly unwilling to apply the maximum economic pressure on Russia that would mean summits like those held yesterday are more likely to yield the success Donald Trump craves.

Vladimir Putin came to the Alaska summit with the principal goal of stalling any pressure on Russia to end the war. He will consider the summit outcome as mission accomplished.

If Putin’s military objective was to avoid immediate constraints on Russian operations in Ukraine, then he appears to have succeeded: the continued intensity of fighting reinforces the impression that ...