Detailed text transcripts for TV channel - MSNBC - 20171220:16:54:00
Automatically. amtrak's ceo is apologizing profusely. he calls this a wake-up call. >> we have to continue to improve and evolve the safety culture at amtrak. none of us want to ever happen at a site like this. we owe a greater duty and responsibility to our passengers and the communities we serve. >> reporter: and we do understand that ptc, the positive train control, that could have automatically slowed this train was installed on this set of track but not set to go into effect until the second quarter of this year. it was still in the training and testing phase. we do have a live look at th...