In his first year in office, President Trump has been a critic of America’s nuclear deal with Iran and engaged in a constant back-and-forth with Kim Jong-un over North Korea’s nuclear program. Sharon Squassoni talks about the evolution of U.S. nuclear policy this year. She’s director and senior fellow in the Proliferation Prevention Program at the Center for Strategic and International Studies, and she writes about the topic for the Bulletin of the Atomic Scientists.
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