By Chris Hedges President Barack Obama announces James Clapper, left, as director of national intelligence during a ceremony in the Rose Garden at the White House on June 5, 2010. (AP/J. Scott Applewhite) On Thursday the former National Security Agency official and whistle-blower William E. Binney and I will debate Stewart A. Baker, a former general counsel for the NSA, P.J. Crowley, a former State Department spokesman, and the media pundit Jeffrey Toobin. The debate, at Oxford University, will center on whether Edward Snowden’s leaks helped or harmed the public good. The proposition asks: “Is More…