How well do we know the pilots who fly our planes?

Aired: 3/26/2015 | 0:05:01 | Clip
Revelations of the cause of the Germanwings Flight 9525 crash have spurred serious concerns over safety and flight protocols, including ensuring pilots are properly trained and adding more monitoring in the cockpit. NewsHour aviation specialist Miles O’Brien joins Gwen Ifill to discuss the questions the airline industry may consider in the aftermath of the crash.