Manila, Philippines (AP) — The Philippines’s former President Rodrigo Duterte registered Monday to run for mayor of his southern home city despite his notorious legacy over his brutal anti-drugs crackdown that the International Criminal Court is investigating as a possible crime against humanity. Duterte, 79, filed his papers before the Election Commission in Davao city, where he had served as mayor for about two decades before winning the presidency in 2016 . His son – incumbent Davao city