Houthi strikes on Saudi Arabia show the Yemeni rebels’ growing strength

Yemen’s Iran-backed Houthi rebels have put their growing military capabilities on display in recent weeks, repeatedly striking Saudi Arabia’s main international airport hundreds of miles (kilometers) away and seizing territory inside Yemen near a key shipping chokepoint. At various times over the last decade, Saudi Arabia, the United Arab Emirates, the United States, Britain and Israel have carried out punishing air raids on the rebels — only to see them grow even stronger. The Saudis have struggled to counter the latest attacks, even with far superior U.S.-supplied arms. A senior Saudi diplomat told reporters this week that Iran was encouraging…