US leader has been using carrot-and-stick approach to get Thai-Cambodia peace deal

U.S. President Donald Trump, center, has been using a mixture of threats and incentives to persuade Cambodian Prime Minister Hun Manet, left, and Thai Prime Minister Anutin Charnvirakul, right, to settle the border dispute between the two Southeast Asian nations. (Nikkei montage/Source photos by AP and Reuters)