President Obama’s first National Security Strategy departs from Bush administration doctrine by redefining the war against terror groups and embracing multilateralism, and may expect too much from gl…

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.

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.