Michael Hayden : But the threats of the 21st century do not communicate on their own networks . It 's good for U.S. to discuss balance between liberty and security . Former NSA director says much has been misunderstood in recent debate on agency . Score: 6 Hayden : Violations of rules were discovered by NSA , represent tiny fraction of communications .
Michael Hayden : It 's good for U.S. to discuss balance between liberty and security . Former NSA director says much has been misunderstood in recent debate on agency . Score: 6 Hayden : Violations of rules were discovered by NSA , represent tiny fraction of communications .