In the early weeks of 2020, the signs pointed to progress in Myanmar’s convoluted effort to finally end 70 years of ethnic strife in its border areas. On Jan. 8, representatives from the government and the 10 ethnic armies that are party to a 2015 cease-fire deal convened in the capital, Naypyidaw, where they reached an eight-point agreement on the next steps to continue implementing that cease-fire. They also vowed to meet...
