When Maximo Garcia heard that he was on a list of local drug suspects in Mayombo, he tried to clear his name with the police chief, explaining that he no longer used drugs and had never sold them. Four days later, the Philippine news site Rappler reports, a masked gunman shot up Garcia's house as he and his family were eating lunch, wounding him and killing his 5-year-old granddaughter. So it goes in Philippine President Rodrigo Duterte's war on drugs, which has claimed somewhere between 7,000 and 13,000 lives since he took office in June 2016. Although Duterte's bloody crusade...