whether, in fact, adversaries will take great note of the things he s disclosed. i think this will follow the same trajectory as wikileaks, a lot of noise up front, six months later, all that s left is embarrassment. reporter: perhaps the impact will be on intelligence gathering, itself, as we have seen, there the a growing movement in congress to try to change or at least modify the laws that govern these intelligence collection programs. wolf. barbara, thank you. you can see it coming, a high speed train racing around a curve, in moments on its side, off the tracks, broken in two. a status official now confirms 80 people were killed. 178 people injured. was the train going too fast? cnn is joined from spain. what are we learning, carl? reporter: well, wolf, if you look at that video taken from a