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…

As the U.S. military formally ends operations in Iraq, four top expert voices in the debate on the war differ over whether it merited the cost in blood, treasure, and U.S. credibility.

CFR experts discuss the data worth tracking in the year ahead.

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.

Four experts discuss how legal and political developments should affect the Obama administration’s promise to close the prison at Guantanamo Bay.