“Prosecutors decided not to pursue their case against [84-year-old] Sulak Sivaraksa, who was charged in October under Thailand’s controversial lèse-majesté law against defaming, insulting or threatening the royal family. The charges were connected to a 2014 university lecture, during which Sulak … questioned whether [16th-century] King Naresuan had in fact slain a Burmese crown prince while riding an elephant.”