Ko says he met with US national security officialsCONSENSUS? Ko told reporters in Washington that he had met AIT Chair Laura Rosenberger during a visit to AIT headquarters on Thursday last week and on Wednesday met with US security officials to discuss Taiwan’s national defense and cross-strait issues. Photo: CNAHowever, AIT Political-Military Affairs Director Matthew Tritle was seen at AIT headquarters during Ko’s visit. He said he told US officials at the meeting that while Taiwan should continue to focus on national defense, its priority should be economic growth, adding that he hoped the US would assist Taiwan in joining regional economic organizations. Ko also met with former AIT deputy director David Keegan at Johns Hopkins University, where Keegan is an adjunct lecturer in the Chinese studies program.