This is a guest post from William G. Nomikos, Assistant Professor of Political Science at Washington University in St. Louis. Follow him on Twitter @wnomikos. Recent relations between North Korea and the United States suggest a puzzle for International Relations. The Trump administration has relied on what it has called a “maximum pressure” campaign—a set of sections and threats of military escalation—to prevent North Korean nuclear missile tests and to roll back North Korean nuclear proliferation. According to the prominent theory of International Relations known as “audience costs,” North...









