Joseph Nye: A time for positive-sum power “Liberal international order” and “Pax Americana” have become obsolete terms as descriptions of the global architecture, writes Joseph Nye. In today’s world, it's the most connected states that are most powerful. Building cyber defenses for U.S. elections New editor for International Security journal Belfer Center convenes US and China experts for workshop on cyber conflict A faster pace and a more dangerous scenario: Extremism in the United States and abroad NATO at 70: An alliance in crisis Adrift, ignored, and indispensable: William Burns on the state of diplomacy Analyzing the United States-North Korea summit Will the Singapore agreement reduce the nuclear threat? Our experts offer their perspectives on the historic meeting in Singapore between President Trump and North Korean leader Kim Jong Un. Faculty and scholars offer thoughts on decision to withdraw from Iran nuclear deal In the wake of President Trump’s decision, several Harvard Kennedy School faculty members and scholars weighed in with thoughts on the significance of Washington’s policy change—and what comes next. Related degree program courses International and Global Affairs: Concepts and Applications IGA-100 This course is a wide-ranging introduction to the core principles of international and global affairs. Related executive education courses Senior Executives in National and International Security Combines world-class experts and an outstanding curriculum to provide a stimulating environment to think deeply about the most pressing national and international security challenges. Upcoming Sessions August 11, 2019 - August 23, 2019 December 02, 2019 - December 13, 2019 An influential voice: China expert Tony Saich on the rise of Liu He With broad powers over the direction of the Chinese economy, Liu He MC/MPA 1995 will be one of the most influential Chinese vice premiers in recent history.