Abdul Malik al-Houthi, an elusive figure who commands ⁠a battle-hardened force, scored his biggest military victory in years when his Iran-aligned Houthi militant group swept through Yemen’s Red Sea coastline and tightened their grip on a vital shipping waterway, rattling oil superpower Saudi Arabia. The offensive, which has been accompanied by attacks on Saudi Arabia, has put the Houthis in a strong position to call the shots in the Bab el-Mandeb strait by potentially halting global trade in...