Train Control Inside News Today

The glass before the deadly crash. investigators tried to figure out what caused the drain do dramatically speed up, sending it off the tracks. dr. gross is here, a former member of the national transportation safety board serving under the reagan administration. thanks for being here. >> youre welcome. >> i want to start and get your initial thoughts when you learned about this new information and how will this redirect the investigation? >> he the thing is, i thank you but i think about here, ...