the line, unless islamabad comes clean on who knew what and when about how they managed to hide in pakistan. they are committed to more cooperation on joint anti-terror operations and intelligence sharing. but a senior pakistani official says his government is asking 350 out of 400 u.s. military trainers in pakistan to leave the country. and u.s. doubts about pakistan's commitment to fighting terrorism fester. >> pakistan has become a collective safe haven for terrorists and terrorists leaders. >> but what can that president do to really pull this back and mover it forward because you can't go backwards? >> there's no silver bullet. >> reporter: pakistan says that the relationship can be saved but the administration should focus more on helping pakistan