Robert Kelly is an associate professor of international relations in the Department of Political Science at Pusan National University. More of his writing can be found at his website . He tweets at @Robert_E_Kelly.
Image: U.S. President Donald Trump walks with North Korean leader Kim Jong Un at the Capella Hotel on Sentosa island in Singapore in this picture released on June 12, 2018 by North Korea's Korean Central News Agency. KCNA via REUTERS