Determining the amount of troops necessary to win a war is never an easy decision for a commander in chief and his military commanders if history is any guide.
And it's a dilemma President Obama faces as pressure mounts on him to decide what strategy will improve conditions in Afghanistan.
The president and his top military, national security and foreign policy advisers are conducting an intensive strategic review of the U.S. military presence in the war-torn nation. Read full article »
CNN's Tom Evans and Kate Bolduan contributed to this report.