Welcome to Foreign Policy ’s Southeast Asia Brief. The highlights this week: Thai and Singaporean imports of natural gas face price hikes following the outbreak of war with Iran, a Japanese man is arrested on charges involving a nuclear material-for-guns scheme, and the Philippines investigates its own citizens on suspicion of spying for China. Thailand and Singapore Are Losing the Iran War For Southeast Asia, the most immediate effects of the spiraling U.S.-Israeli war with Iran are felt in