U.S. joins Canada in banning Boeing 737 MAX 8 & 9 jets

The Federal Aviation Administration has grounded all Boeing 737 MAX jets in the U.S., making it the last country to ban the model. These planes are American-made. As Jackson Proskow reports, there could be growing concerns about American regulators, and of American investigators probing the Ethiopian Airlines crash.

• Why France and not the U.S. is leading the Ethiopian Airlines crash investigation