Trump Asia Expert to Become Deputy National Security Adviser

Matt Pottinger (C), Special Assistant to U.S. President Donald Trump and National Security Council (NSC) Senior Director for East Asia, and Kim Yong Jae (R), North Korea's minister of external economic relations, arrive for the opening ceremony of the Belt and Road Forum at the China National Convention Center (CNCC) in Beijing, on May 14, 2017. AP Photo/Mark Schiefelbein

ABOARD AIR FORCE ONE—U.S. President Donald Trump’s new national security adviser said on Sept. 22 that White House Asia policy adviser Matt Pottinger would become his top deputy.

Robert O’Brien made the announcement on Air Force One as Trump flew from Ohio to New York, where the president will spend most of the week attending events related to the United Nations General Assembly.