With Iran’s most potent proxy army, Hezbollah, now crippled, the Houthis in Yemen — aided by Tehran and now Moscow, too — are emerging as a growing danger to America’s interests. The group is bound to pose an early challenge for President-elect Trump. 

The Houthis may be but a cog in a growing anti-American coalition, but with Russia recruiting Yemeni mercenaries to fight in Ukraine, the Yemeni group is due to receive new, sophisticated arms capable of wreaking havoc on the economies of Europe and America.