Train Shell News Today

Speed of the train, the throttle position, the braking. all of those things are very important. as this train was coming around a curve at the time that it derail derailed, or that is what were led to believe. so much is going on. were trying to figure out that in addition to making certain all the passengers who were on board this train, amtrak 188, that all of them got out or have been accounted for. jose? >> nbcs rehema ellis, thank you so much. i want to turn to msnbcs adam riess at the medi...