Letter from US Attorney General Alberto Gonzales to Senator Arlen Specter, February 28, 2006 [providing responses to several questions at the US Senate Judiciary Committee hearing on "Wartime Executive Power and the National Security Agency's Surveillance Authority," held Monday, February 6,2006, and clarifying certain responses at the February 6th hearing]. Read the full text of the letter [PDF]. Reported in JURIST's Paper Chase here.