Article Photos: Hope and heroism: Obama hails post-9/11 resilience 23/28

  President Barack Obama and first lady Michelle Obama walk along the Wall of Names at phase 1 of the permanent Flight 93 National Memorial near the Sept. 11 crash site of Flight 93 in Shanksville, Pa. Sunday Sept. 11, 2011, on the 10th anniversary of the Sept. 11 attacks. (AP Photo/Gene J. Puskar)