On October 26, President Donald Trump announced a “historic” peace deal between Thailand and Cambodia at the ASEAN Summit in Kuala Lumpur. Forty-eight days later, that peace collapsed. On December 8, Thailand launched airstrikes into Cambodian territory, triggering mass evacuations and the largest border escalation in years. More than 385,000 civilians are fleeing as artillery battles grind across a region the White House recently described as “secure.” But why did Trump's Kuala Lumpur Accord fa