@CNN: RT @NewDay: The deadly collision between an Amtrak train and parked freight train Sunday was preventable, according to the head of the National Transportation Safety Board. NTSB chairman Robert Sumwalt discusses the investigation so far: https://t.co/el4ep8m7OL

@CNN: RT @NewDay: The deadly collision between an Amtrak train and parked freight train Sunday was preventable, according to the head of the National Transportation Safety Board.

NTSB chairman Robert Sumwalt discusses the investigation so far: https://t.co/el4ep8m7OL