in d.c., we had jamie gorelick, who is a partner at wilmer hale and a former deputy attorney general of the u.s. department of justice. almost a fixture here at the council on foreign relations, we have general michael hayden, principal of the chertoff group and the former director of the cia and the national security agency. we will have questions about encryption and other things like that for him. ok, and we will start here in new york. bonner, let's talk about the difference between large-scale attacks and the more recent attacks we have seen in paris and in particular, san bernardino. what kind of countermeasures can ameliorate something like san bernardino? robert: we've had two different kinds of attacks that taken place in the recent past. the ones for this program was the large-scale attack in paris. one of the assessment that i think we had already made but should make is that isis is engaged in asymmetrical warfare against the countries that it its enemies. they will not just a within its territory in syria and iraq. it is not content to use the internet to help radicalize