fixing the infrastructure of the united states joining us now with reaction from lubbock, texas, mcgeheesecretary of education. it's great to see you, sir. the president commented about infrastructure involving the amtrak derailment. that was alternate route for that train, is it not? might not be an structure issue on that particular accident? >> well, thank you for having me, laura. it probably is, because this was about positive train control. and usually that new tech nothing take as few months to get in new inaugural ride for high speed rail system. it's really designed, laura, to look ahead in the communication channels, to give communication back to the cockpit of what in the radialway road. this train accident technical speculation is indicating that possibly the train ran into something. and that's what caused the tumbling cars. also, there was speed involved so we have a lot of momentum involved in here which tossed the cars off the elm bankment and then most importantly this was going into historic bridge. and had very little embankment control for having the cars to tumble of