Memorial marks the impact of Flight 93’s lost heroes

Aired: 9/10/2015 | 0:03:27 | Clip
Friday marks the 14th anniversary of September 11, 2001, and with it, the crash of United Flight 93, one of four planes that were hijacked. A new memorial was dedicated outside Shanksville, Pennsylvania, to honor those on board who gave their lives to divert the plane from hitting the Capitol. Hari Sreenivasan reports.