CNN Fareed Zakaria GPS May 12, 2013 17:36:00
There is a new threat. one person or a small group, self radicalized and determined to kill. in other words, boston. the cia and fbi are, of course, working hard to stop the next would be bombers, but what exactly are they looking for? how do you track a shadow? someone harboring extremist tendencies quietly. someone who might turn violent but isn't yet? the former director of the cia, general michael hayden says the united states is continually calibrating the balance between freedom and security. >> i put my arm up and said this is what we are doing for you now in terms of security, the inte...