"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