In this episode of Taiwan Security Review, GTI Senior Non-Resident Fellow Alex Gray interviews Ambassador Robert C. O'Brien, the 27th national security advisor of the United States. In an engaging conversation, Ambassador O'Brien shares his perspectives on recent developments in the US-Taiwan relationship, the growing threat of the People's Republic of China, and Taiwan's vital role in the international community. As chair of GTI's Task Force on US-Taiwan Relations, Ambassador O'Brien previews some of the key issues and recommendations covered in the Task Force's forthcoming report on US-Taiwan relations.