a match that suggest a terrorist connection. >> what they're finding out is my i number called your number and spoke for ten minutes. it's nothing about the content. >> right. all i'm saying is that's probably been a useful tool for nsa. i don't want anybody listening in on my phone calls, but if they want to search my phone records to see if i've been talking to terrorists that's all right with me. when everything is surveyed in that way, nothing is surveyed and represents no threat. >> this is what has changed. we have a morphed move by isis that's a completely different model of international terrorism from al qaeda which was the controlled agent where the plot was in the center and they directed agents in our country. the intelligence methods you're talking about are less effective when you don't have --