A Guatemalan court on Friday found former dictator Efrain Rios Montt guilty of genocide and crimes against humanity during the bloodiest phase of the country’s 36-year civil war. He was sentenced to 50 years in prison on the genocide charge and 30 years for crimes against humanity. It was the first time a former head of state had been found guilty of genocide in his or her own country. … Prosecutors say Rios Montt turned a blind eye as soldiers used rape, torture and arson to try to rid Guatemala of leftist rebels during his 1982-1983 rule, the most violent...