rick s list s to overreturn the territory. reporter: three years after pulling out of iraq, he says it growing crisis threatens america s national security. the president and his advisers are discussing a range of options, including air strikes to fight the militant group that captured the second largest city, mosul. they won t get u.s. military help unless iraq s shiite leader makes changes. this should be a wake-up call. they have to demonstrate a willingness to make hard decisions. reporter: he long resisted. deals that could help bring stability to the oil rich country. unfortunately, what we have seen from the prime minister over the eight, nine years he s been in office is that this is a man who is very reluctant to