[img]http://d.yimg.com/a/p/afp/20091231/capt.photo_1262225555624-1-0.jpg?x=97&y=130&q=85&sig=twLqtZwl40ErE7JkUZZZOw--[/img]AP - The Taliban claimed responsibility Thursday for infiltrating a CIA post with a suicide bomber who set off an explosion that killed seven American intelligence staffers and wounded six others in an attack believed one of the worst in the agency's history.