Americans remember loved ones lost on 9/11

Aired: 9/11/2015 | 0:02:29 | Clip
Bells tolled in New York, Washington and Shanksville, Pennsylvania, the sites where thousands died at in the 9/11 attacks 14 years ago. While hundreds of families and survivors marked the moment, it was also a day for honoring the sacrifice by U.S. forces in Iraq and Afghanistan. Hari Sreenivasan reports.