Have your thoughts on nuclear weapons changed throughout your career?
Is it possible to negotiate with North Korea? 

How many nuclear warheads does North Korea have?

Experts’ Answers

Kelsey Davenport

Director of Nonproliferation Policy | Arms Control Association

Esther Im

Former Program Officer | National Committee on North Korea

Jon Wolfsthal

Senior Advisor | Global Zero & Former Senior Director for Nonproliferation | National Security Council