Beirut, April 1 -- Since the United States and Israel launched their war against Iran on February 28, the Trump administration claims to have all but "obliterated" the Islamic Republic's military capabilities. Defence Secretary Pete Hegseth declared last week that "never in recorded history has a nation's military been so quickly and so effectively neutralised." But after more than a month of punishing US-Israeli airstrikes, a degraded Iranian military nonetheless remains a stubborn foe. Its steady stream of strikes against Israel and Gulf Arab neighbours is causing regional chaos and an outsized economic and political shock. Its missiles continue to penetrate Israeli airspace and kill civilians. Its cheap drones slip through its neighbours...