Hopeful Week In Afghanistan Turns Sour

Earlier this week, the Obama administration sounded a hopeful note on Afghanistan. It was announced that Afghan forces had taken the lead on security and that the Taliban was opening an office in Qatar, giving hope for renewed peace talks. Within hours, a Taliban attack killed four Americans and Afghan officials called off their talks with the U.S. For a look at where things stand, Renee Montagne talks Alissa Rubin, Kabul bureau chief for "The New York Times."