AMB. ROBERT JOSEPH, Senior Scholar, National Institute for Public Policy How North Korea may be “exponentially expanding” their nuclear weapons arsenal What could North Korea’s nuclear arsenal look like in 2027? How the United States’ defense against nuclear weapons was initially developed Can the U.S. missile defense system defeat North Korea’s weapons? What has to be done by the United States to slow down North Korea’s nuclear program? Does the U.S. have a nuclear containment policy? When could Iran realistically create a nuclear weapon? Does the United States fully understand the nuclear threat Iran poses?