John Brennan: National Security Leaks Have Been 'Devastating...Unconscionable'

08/08/2012 02:54 pm ET | Updated Oct 08, 2012
  • JOSH GERSTEIN | politico.com

Deputy National Security Adviser John Brennan said Wednesday that some recent leaks of national security secrets have done serious damage, but he also lashed back at critics who have charged that President Barack Obama's White House staff is responsible for the breaches.

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