How can the Houthis be challenged?

The latest developments on the ground in Yemen are so significant that their seriousness cannot be understated. Iran now has an arm on the vital Bab Al-Mandab Strait through its proxy, the Houthi militia, which has seized the port of Mokha and the Yemeni islands in the southern Red Sea. The Houthis’ aggressive military activities leading up to the attack pointed to one of three possibilities: either they were targeting Saudi areas bordering Yemen to the north, oil facilities in Yemen’s Marib p