NTSB Face Hersman Shows Cool Resolve of U.S. Air Crash Chasers

NTSB Face Hersman Shows Cool Resolve of U.S. Air Crash Chasers

Jeff Chiu/AP Photo

Deborah Hersman, Chairman of the National Transportation Safety Board, right, walks to the podium to speak about Asiana Flight 214 on July 6, 2013, at San Francisco International Airport.