"Benghazi happened a long time ago. We are unaware of any agency blocking an employee who would like to appear before Congress to provide information related to Benghazi." This is the modus operandi of the regime - any Democrat regime, actually. You stonewall it for a few months, and then after a few months go by you say, "It's an old story." Didn't Watergate happen a long time ago? It still seems to be really relevant, Watergate.