No one has ever been held accountable for the tragic massacreof peaceful demonstrators at Thammasat University on October 6, 1976. On this day 46 years ago, Thai police, military, and ring-wing paramilitaries shot, lynched, and beat leftist demonstrators protesting the return of dictator Field Marshal Thanom Kittikachorn to Thailand, who was ousted in 1973. The 1973 uprising restored democratic…