Support WBUR'Afghan Good Enough' May Be Best U.S. And Allies Can DoPlay08:58Download AudioMark MemmottMay 02, 2012 ShareDuring his brief visit to Afghanistan, President Obama spoke to troops at Bagram Air Field north of Kabul. (AFP/Getty Images)
During his brief visit to Afghanistan, President Obama spoke to troops at Bagram Air Field north of Kabul. (AFP/Getty Images)