PRESIDENT Rodrigo Roa Duterte believes all the 656 Filipino athletes would deliver big time in the Vietnam 31st Southeast Asian Games that kick off with the opening ceremony on May 12. Duterte said in a video sendoff greeting on Monday evening that he’s confident that the national athletes led by the country’s first Olympic gold medalist Hidilyn Diaz “will bring home glorious accomplishments for the Filipino people.” “My warmest greetings to the members of the Philippine delegation for the 31st Southeast Asian Games. As you represent our country in one of the most anticipated sports events in …