The Defense Department has developed war plans to thwart terrorist attacks within the United States, raising the possibility that ground troops may be dispatched on U.S. soil in the event of an emerg…

Attacks on Shia Muslims in Afghanistan claimed by a Pakistani militant group are a disturbing omen -- for sectarian ties and the prospects for a peace deal with insurgents, says counterterrorism expe…

Ties to Pakistan in the Times Square bomb case suggest a direct al-Qaeda influence on the goals of some of Pakistan’s Taliban militants, says counterterrorism expert Brian Fishman.

Brian Latell, who for many years was the CIA’s top Cuban and Latin American analyst, says if Fidel Castro is unable to recover from his ailments his successors are likely to be more willing to experi…

Anne-Marie Slaughter, dean of Princeton’s Woodrow Wilson School, discusses the long-term geopolitical implications of the financial crisis.