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US President Donald Trump reacts after signing executive orders imposing tariffs on imported goods in the Rose Garden at the White House on April 2, 2025, in Washington, DC. (Andrew Harnik via Getty Images)
Frank Aum is the senior expert on Northeast Asia at the United States Institute of Peace. Prior to that, he worked at the Department of Defense, including as special counsel to the Army General Counsel, special assistant to the assistant secretary of defense for Asian and Pacific security affairs, and senior advisor on the Korean Peninsula in the Office of the Secretary of Defense.