Former official says NSA chief lied about not keeping profiles on Americanshttp://venturebeat.com/2012/07/30/nsa-keith-alexander-def-con/?utm_source=feedburner&utm_medium=feed&utm_campaign=Feed%3A+Venturebeat+%28VentureBeat%29&utm_content=Google+Reader by vtry • 14 years ago 2 0 14 years agoVEventurebeat.com