
What's behind Afghan allied attacks on U.S. troops?
August 11, 2012 6:12 PM
Three more U.S. troops were killed by an Afghan policeman, adding to the growing total of American soldiers who have died at the hands of supposed Afghan allies. Anthony Mason speaks with Kitty Logan about what's behind the attacks.
3 U.S. service members dead in second "green-on-blue" attack







