A day that will never leave you: 20 years later, 60 Minutes recounts FDNY stories of heroism on 9/11

“It’s always a sad place to be for me,” FDNY Commissioner Dan Nigro told Scott Pelley. “And I think this year will be particularly difficult.” This Sunday, 60 Minutes remembers 9/11 through the stories of firefighters at the World Trade Center that day. Source