In the three years, eight months, and twenty days of the Khmer Rouge's deadly reign over Cambodia, an estimated 1.7 million Cambodians perished as a result of forced labor, execution, starvation, and disease. Despite the passage of more than thirty years, two regime shifts, and a contested U.N. intervention, only one former Khmer Rouge official has been successfully tried and sentenced for crimes against humanity in an international court of law...