The scenes of carnage in Ukraine have sparked anger and concerted action against the Russian invasion of that country, now in its eighth week. But there is another conflict, now in its eighth year, that has resulted in the deaths of nearly half a million people and driven millions more to the brink of starvation – the war in Yemen. And unlike the war in Ukraine, where Washington faces daunting obstacles in attempting to end Russian atrocities, the United States has considerable leverage in bringing the Yemen conflict to an end, and soon.