In his address to the nation on Tuesday, U.S. President Barack Obama laid out a strategy he says will turn the tides in the faltering Afghan war effort. Five experts analyze his approach.

The threat posed by the al-Qaeda-Taliban relationship is a crucial element in U.S. strategic planning in Afghanistan. Four experts explore the changing nature of these sometimes murky ties.

North Korea’s nuclear test raises new concerns about its nuclear capabilities, regime succession, and the limits of both international pressure and engagement. Four experts address the policy options…

Three years after the war in Iraq began, experts weigh in on whether U.S. forces are winning or losing.

It is the question of the moment in Washington: How and when should the United States begin drawing down its forces in Iraq and turning over more responsibility for that nation’s security to local fo…