Detailed text transcripts for TV channel - MSNBC - 20150513:13:04:00
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 we're led to believe. so much is going on. we're 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? >> nbc's rehema ellis, thank you so much. i want to turn to msnbc's adam riess at the media staging area. adam, good morning, what's the latest from your perspective? >> good morning, jo...