Despite energy crises stemming from the conflict with Iran, a former US diplomat asserts that America will remain a vital and reliable security and trade partner for Southeast Asia.

The US war on Iran has triggered the worst energy crisis in memory and punched a hole in Southeast Asia’s energy-importing economies. Still, a top former US diplomat insists America remains a dependable ally and will be central to the region’s trade and security for years to come. The Trump administration’s attack on Iran had inflicted pain on Southeast Asian allies dependent on Middle Eastern energy imports, said Ambassador Daniel Kritenbrink, a former assistant secretary of state for East...