What are the most important technologies and approaches used to protect weapons-usable nuclear materials from theft? What are the major international agreements and initiatives focused on improving nuclear security? What are the strengths and weaknesses of current approaches? Matthew Bunn provides a brief introduction to each of these topics. Lecture with Matthew Bunn, Professor of Practice; Co-Principal Investigator, Project on Managing the Atom, Belfer Center for Science and International Affairs, Harvard Kennedy School February 19, 2014 For more information: www.belfercenter.org www.nuclearsummit.org