Securing Afghanistan is a vital requirement for American national security.
Dr. Frederick W. Kagan and Dr. Kimberly Kagan spent 150 days in Afghanistan in 2010 and lay out the key details of their latest report, "Defining Success in Afghanistan."
Afghanistan experts Jeffrey Dressler & Carl Forsberg discuss progress and remaining challenges in southern Afghanistan. December 17, 2010.
Now that President Obama has authorized Gen. David Petraeus to continue to execute the current strategy in Afghanistan, the question is: Can the U.S. strategy succeed?
Carl Forsberg weighs in on recent news of a Taliban imposter believed to be communicating with officials in Kabul. CNN's Pentagon correspondent Chris Lawrence reports.