plus their recent trip to afghanistan. rapid increasing gas prices. how high and how long? with former ceo of shell oil. i m candy crowley. and this in is state of the union. the afghan government says the man who killed two american soldiers inside a highly secured afghan government building is an afghan intelligence officer. president hamid karzai has offered condolences to the families of the four americans killed since news that u.s. personnel apparently inadvertently burned copies of the koran at an air base in afghanistan. karzai called for calm but insisted the u.s. must prosecute those responsible for burning the muslim holy book. joining from me kabul, ryan crocker. mr. ambassador, let me ask you, first, the u.s. over more than ten years has spent half a trillion dollars in afghanistan, almost 2,000 american lives have been lost, and the american people wake up this morning to find that two high military officers sitting inside a secured afghan government building