Pax Americana: 20 Years Later

America, a shining city on hill, an illumination 9/11 revealed to be a funeral pyre.

Rey Nante sells American flags to people having lunch in downtown Atlanta during the National Day of Remembrance for victims of Tuesday's terrorist attacks in New York and Washington D.C. September 14, 2001 at Centennial Olympic Park in Atlanta. (Photo by Erik S. Lesser/Getty Images)

Mohamed Atta and other 9/11 hijackers practiced flights at Briscoe Fiel…