basically to do something. hiding or sitting back is not going to accomplish anything. >> let's turn to some critical national security issue. texas congressman michael mccaul who's always chairman of the house homeland security commission. chairman, thank you so much for making time. >> thanks, luke. >> train security is something you've talked about in congress for quite some time and something we know is very much a serious issue because trains often have no metal detectors. often there's no records of who's buying tickets. people can enter them at different cities, get on and off without being tracked. how are we doing with train security here at home and did this make you worried when you learned of this thwarted attack? >> i'm always worried oush subway train and train security, particularly in new york. right now we have the canines that are out there. we have, you know, the officers. but also i really think