School shooting in the US by 1990s reminds America of duck and cover during Cold War, problems continue even after Cold War
Herbert, B. (1992, March 11). “Remember the old Cold-War days when we taught children to hide under their desks?” [Cartoon] Herbert L. Block collection (Library of Congress). Retrieved from the Library of Congress, https://www.loc.gov/item/2012643061/.
A 1992 Herblock cartoon, copyright The Herb Block Foundation.