Detailed text transcripts for TV channel - MSNBC - 20150514:00:04:00
Are there possible mechanical reasons a train would be going at that speed into a curve, independent of operator error? >> we want to look at that. we want to look at the operator the mechanical condition of the train. we want to look at the signal. we want to take a holistic approach to understand why this train ended up in the situation that it did. when you look at the crash site as i did in a helicopter today, the physics are pretty apparent. you guys don't have a lot of mystery in terms of what happened. how did it get to that speed? >> yes. >> let me ask you a legal question. my understa...