Given the sheer number of people with clearances[1], which I assume has grown primarily over the last 11 years, I wonder if demand or scaling problems has hindered the background check and psych evaluations that would normally try to reject those sort of people from jobs involving sensitive material.

[1] The WP's "Top Secret America" series quotes 850K+ with Top-Secret clearance: http://projects.washingtonpost.com/top-secret-america/articl...