most of the once routine joint patrols between coalition forces and afghan units except in certain cases. the deputy chiefs of nato's operations says the insider attacks, quote strike right at the heart of our resolves. it's one thing to be killed in action by the insurgents,. it's quite another to be shot in the back of the head at night by your friends. defense secretary panetta has said the u.s. has quote turned the corner in afghanistan and says the u.s. commander in afghanistan, general john allen says he has the number of troops he needs to accomplish the mission of turning security over to the afghans by the end of 2014. martha: thank you very much. molly hennin tkerg in washington. gregghenneberg in washington. gregg: iran is flexing its muscles, displaying its newest defense system and issuing a warning. martha: new video coming in this