manage these things properly and in the way that people closer to the issues could and should and would have. but having said that no matter what we do no matter what weapons we choose no matter how we choose to go in, there are going to be accidents and going to be tragedies like this. and i think we have to acknowledge that. >> tony while we have you here with your military expertise, can you help us understands more about these signature strikes which are not going after specific identified targets but looking at seeing people that have the signature behavior of terrorists, and can you help us understand how afternoon that's the case signature strikes? >> certainly. targeted strikes, we were going with 8 % or better intel on a target. we always looked at better options. could we capture him, do a drone strike or tlam or do we want to let it go and continue to monitor because obviously you're driven with a lot of