Cambodia and Thailand fail to rise above nationalist narratives, says former foreign correspondent Nirmal Ghosh. Edition: Singapore Indonesia Asia US/UK SINGAPORE: In a rare breach of diplomatic norms, Cambodia’s former leader Hun Sen on Wednesday (Jun 18) released a recording of a private phone call with Thailand’s Prime Minister Paetongtarn Shinawatra on social media, escalating political tensions surrounding a long-running border dispute. In the 17-minute audio, Ms Paetongtarn refers to Mr