Is national security worth sacrificing civil liberties?
On anniversary of Sept. 11, Prof. Robert Pape discusses his finding that civil liberties are deemphasized during national emergencies
Poll: Impact of Sept 11 has not diminished even a decade after the attacks
AP-NORC poll finds more Americans say Sept. 11 had an impact on their lives than said so five years ago
Post-9-11 'new normal' looks much like old
NORC/AP poll finds 15 percent of Americans see high risk of being attacked where they live
