Hope and heroism: Obama hails post-9/11 resilience
Sept 11 Anniversary
Credit: AP
An American flag hangs from the partially-built 1 World Trade Center as President Barack Obama speaks during a ceremony marking the 10th anniversary of the 9/11 terrorist attacks Sunday, Sept. 11, 2011 at the Sept. 11 memorial in the World Trade Center site in New York. (AP Photo/Allan Tannenbaum, Pool)
