AdvertisementAnalysisWith Mattis Trip To Philippines, Reminders Of Waning U.S. Influence In RegionOctober 25, 2017David WelnafacebookEmailPhilippine President Rodrigo Duterte meets Defense Secretary Jim Mattis Oct. 24 at the 11th Association of Southeast Asian Nations (ASEAN) Defense Ministers' Meeting at the former Clark Air Base outside Manila. (AFP/Getty Images)