CLINTON: Look, we are definitely in conflict with ISIS and I think we need a new update of military authorization. The AUMF, which was passed after the attack on 9/11, should be brought up to…

STEPHANOPOULOS: Why not declare war?

CLINTON: Well, declare war is a very legal term, as you know so well. I think what we want to do is make sure we have every tool at our disposal to, number one, destroy there would-be caliphate in Syria and in Ra — in Iraq.

Number two, do everything we can to dismantle this very effective virtual jihadist network that they are using on the Internet.