Sep 11 Watch Pennsylvania - 9/11/02 Homeland Security Director Tom Ridge, a former Pennsylvania governor, led memorial ceremonies at the spot where Flight 93 crashed on Sept. 11, 2001, killing 40 passengers and crew members. Continue watching
Sep 10 U.S. Raises Terror Threat Level to "High" Citing significant new intelligence from several sources, the U.S. increased its threat level status to "high" -- the second-highest state on the government's five-stage Homeland Security Advisory System. Continue reading
Sep 10 Watch Background: Liberty vs. Security Spencer Michels reports on the impact of Sept. 11 on the judicial system. Continue watching
Sep 10 Watch The Threat of al-Qaida Two terrorist analysts assess the current state and potential threat of the al-Qaida terror network. Continue watching
Sep 10 Watch Background: The Threat of al-Qaida Attorney General John Ashcroft announces new warnings about the al-Qaida terrorist network, and Margaret Warner reports about al-Qaida's actions. Continue watching
Sep 10 Watch Liberty vs. Security A closer look at how America's justice system has changed in the wake of Sept. 11. Continue watching
Sep 10 Watch Faces of 9/11 New York Times photographers offer observations about the pictures they took on Sept.11, 2001. Continue watching
Sep 09 Watch Stricken Suburbs Betty Ann Bowser visits a New Jersey community profoundly affected by the Sept. 11 attacks on the World Trade Center. Continue watching
Sep 06 Watch The Pentagon: One Year Later Ray Suarez revisits the crew working to restore the part of the Pentagon destroyed by a hijacked aircraft on Sept. 11. Continue watching
Sep 06 Watch Then and Now: Kavita Ramdas Elizabeth Farnsworth talks with Kavita Ramdas, president and CEO of the Global Fund for Women, about international reaction to the Sept. 11 attacks. Continue watching