National Politics & Government Security Clearance Revocation Reminds Mullen Of Nixon's 'Enemies List' 7:47am August 20, 2018 Politics Analysis National Security Share URL copied to clipboard! Play Pause There was an error loading the media player. Copyright 2018 NPR. To see more, visit http://www.npr.org/. 300x250 Ad More Morning Edition NASA studies offer of a private mission to save Hubble Space Telescope Politics & Government Groups that register voters are feeling besieged by new state laws 300x250 Ad Support quality journalism, like the story above, with your gift right now. Donate