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…

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.

Afghanistan’s presidential election could be a democratic milestone, or may be marred by insurgent violence and fraud. Four experts weigh the election’s importance.

U.S. military leaders are calling for more troops to carry out U.S. counterinsurgency strategy in Afghanistan. Six analysts offer views on how President Barack Obama should respond.

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…