The Philippines, one of Asia's fastest-growing economies, has its own version of Donald Trump running for president, and he could emerge victorious when the country votes on May 9. Meet Rodrigo Duterte, the mayor of Davao one of the country's richest cities in terms of local incomes and presidential candidate of the center-left PDP-Laban political party, who after a 22-year mayoral career, announced his presidential campaign in November.