Article Photos: Hope and heroism: Obama hails post-9/11 resilience 14/28

  Former President George W. Bush, left, and former first lady Laura Bush, along with President Barack Obama, second from right, and first lady Michelle Obama along with others, marking the 10th anniversary of the Sept. 11 attacks, pay their respects at the National September 11 Memorial at the World Trade Center site in Sunday, Sept. 11, 2011, in New York. (AP Photo/Matt Rourke)