At least 30 people have been injured in the city of Oxnard, California, after a train struck a tractor-trailer on the tracks, derailing four cars
At least 30 people have been injured in the city of Oxnard, California, after a train struck a tractor-trailer on the tracks, derailing four cars. CBSN's Elaine Quijano and Anne-Marie Green talk to former NTSB Chairman Mark Rosenker about the situation.
