Hunter said that he wants the GAO to look at the degree to which material is classified that doesn’t impact national security, whether reducing classification requirements would winnow down the 5 million people who current have security clearances and the degree to which excessive classification harms information sharing.
Senate Appropriations Committee Chairwoman Barbara Mikulski (D-Md.) last week said she is preparing to call hearings to look at how Snowden was able to access the top-secret data he leaked to The Guardian and The Washington Post.
Sens. Jon Tester (D-Mont.) and Claire McCaskill (D-Mo.) are holding a joint Senate Homeland Security subcommittee hearing Thursday on agencies' vetting of government employees' and contractors' security clearances.
— This story was updated at 3:27 p.m.