NSA chief Gen. Keith Alexander will testify today at a previously scheduled Senate Appropriations Committee hearing on enduring cybersecurity threats.  He is expected to face questions during the hearing concerning the recent leaks of details into the NSA’s phone surveillance activities.

You can follow livestream video coverage beginning at 2pm EST; follow this post for updates. [UPDATE: The feed has been removed, as the hearing has ended.]

Highlights from the hearing below:


There were other very interesting exchanges between several Senators and Gen. Alexander, most notably with Senators Durbin, Collins and Merkley.  You can listen to those audio clips at NPR.

Here’s what people were saying on Twitter…