Does Boeing 737 MAX reveal 'fundamental conflict' for FAA?

In the aftermath of a second deadly plane crash, Boeing is trying to reassure the U.S. government and the public that it is addressing the flight control system on its 737 MAX jets. The feature is suspected of a role in the fatal Ethiopian Airlines incident in March as well as an October Lion Air crash. Amna Nawaz reports and talks to science correspondent Miles O’Brien for technical details.