A New York City firefighter looks at the ruins of the World Trade Center at dawn Sept. 12, 2001. (Jim MacMillan/Philadelphia Daily News/MCT)
A New York City firefighter looks at the ruins of the World Trade Center at dawn Sept. 12, 2001. (Jim MacMillan/Philadelphia Daily News/MCT) Jim MacMillan/Philadelphia Daily News/MCT
A New York City firefighter looks at the ruins of the World Trade Center at dawn Sept. 12, 2001. (Jim MacMillan/Philadelphia Daily News/MCT) Jim MacMillan/Philadelphia Daily News/MCT

Sept. 11 has made an indelible impact on the American psyche

August 29, 2011 08:00 AM

UPDATED June 17, 2015 01:15 AM

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