Closing Arm News Today

To acknowledge any wrongdoing. >> yet to acknowledge any wrongdoing. it is impossible to ignore this is the latest in a string of issues, crashes for amtrak, over the last couple of months. what is -- what is happening there? is there any connection between them? >> reporter: well, the ntsb chairman is saying you have to look at each of those four crashes on a case by case basis. because when you look at what happened in virginia and north carolina, those were both cases where drivers of vehicle...