From 2002 to 2007, Bill Leonard served as director of the Information Security Oversight Office, a division of the National Archives and Records Administration, which oversees all governmental classification activity. CJR spoke with Leonard about the history of classification, how information becomes declassified, and the problems of over-classification.

Edited by Betwa Sharma
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Clint Hendler is the managing editor of Mother Jones, and a former deputy editor of CJR.