Catherine Killough is the Roger L. Hale Fellow at Ploughshares Fund, a global security foundation in Washington, D.C.
Articles by
Catherine Killough
South Korean policemen participate in an anti-terror drill at the Olympic Staduim, venue of the Opening and Closing ceremony on Dec. 12, in Pyeongchang-gun, South Korea. (Chung Sung-Jun/Getty Images)
