Mike Gravel tells the story on how he released the Pentagon Papers and his involvement in stopping the draft. He is a great story teller. His speech is also quite funny.
I loved the last bit about how they managed to publish the papers. When they were running out of sources and it seemed like MIT Press would not publish it, Beacon Press decided to publish them: they had the money and were willing to go ahead with it.
The Gravel bit (alone) here: