An Afghan National Army soldier fires blanks with a belt-fed machine gun as other soldiers observe the training exercise. One Army officer who has had tours of duty in Afghanistan said, "When we leave, the ANA will scatter like leaves in a stiff breeze."
Federal Reserve Chairman Janet Yellen, left, reacts as a technician works to resolve a computer problem during her speech at a conference on economic opportunity at the Federal Reserve Bank in Boston, Friday, Oct. 17, 2014. (AP Photo/Michael Dwyer)
Federal Reserve Chair Janet Yellen arrives for an open session of the Financial Stability Oversight Council meeting at the Treasury Department in Washington, Monday, Oct. 6, 2014. (AP Photo/Susan Walsh)
Federal Reserve Chair Janet Yellen attends a Board of Governors meeting at the Federal Reserve in Washington, Wednesday, Sept. 3, 2014. The meeting is to discuss a final rulemaking to implement a quantitative liquidity requirement in the United States as well as a proposed rule on margin requirements for non-cleared swaps of prudentially regulated swap entities. (AP Photo/Susan Walsh)
Federal Reserve Chair Janet Yellen, left, and European Central Bank President Mario Draghi speak during the Jackson Hole Economic Policy Symposium at the Jackson Lake Lodge in Grand Teton National Park near Jackson, Wyo. Friday, Aug. 22, 2014. (AP Photo/John Locher)
FILE - This Sept. 18, 2013 file photo shows the Federal Reserve headquarters in Washington. Minutes of the Fed's discussion at its July 29-30, 2014 meeting show that some officials thought the economy was improving enough that the Fed would need "to call for a relatively prompt move" toward reducing the support it has been providing. Otherwise, they felt the Fed risked overshooting its targets for unemployment and inflation. (AP Photo/J. David Ake, File)
FILE - In this June 18, 2014 file photo, Federal Reserve Chair Janet Yellen speaks during a news conference at the Federal Reserve in Washington. Yellen has won credit for guiding the Federal Reserve's first six months of transition from the Ben Bernanke era. (AP Photo/Susan Walsh, File)