The contrast of perspectives between Ellsburg's plea for the moral imperatives for leaking and Snowden's resistance to shaming those who don't leak was really interesting. It seems like Ellsburg had developed a real contempt for all of us in America until Manning and Snowden came along.
http://en.wikipedia.org/wiki/Daniel_Ellsberg
A great guy, you should read about his life. Or even easier, watch "The Most Dangerous Man in America" documentary (cca 90 min).