Like many agencies, the Defense and Homeland Security Departments have been challenged to get the security clearances needed by their employees. Yet equally challenging is what happens when officials need to revoke someone’s clearance. The Government Accountability Office found the departments have work to do there. Auditors found inconsistencies in both agencies’ data on employees eligible to access classified information. Brenda Farrell is the director of Defense Capabilities and Management Issues at the GAO. She joined Tom Temin on the Federal Drive to discuss the GAO study and its recommendations.