The Philippine government is facing mounting legal and political uncertainty after reports emerged that the International Criminal Court (ICC) may have issued an arrest warrant for Senator Ronald “Bato” Dela Rosa – the former national police chief widely seen as the chief enforcer of former president Rodrigo Duterte’s violent war on drugs.Dela Rosa, a long-time Duterte ally and now a sitting senator, oversaw the Philippine National Police during the early years of Duterte’s presidency, when...