Dr. Van Jackson is an Associate Professor in the College of Security Studies at the Daniel K. Inouye Asia-Pacific Center for Security Studies in Honolulu, as well as an Adjunct Senior Fellow at the Center for a New American Security. He is the author of the new book Rival Reputations: Coercion and Credibility in US-North Korea Relations (Cambridge University Press). The views expressed in this article are his own and do not reflect those of the Department of Defense, DKI-APCSS, or the US Government.