A growing number of high-ranking American officials say that ISIS, the militant group that controls much of northern Iraq, must be defeated. The White House is considering plans to send ground troops to aid Iraq in the fight, but experts say even those expanded plans won't be enough to win.
Tunisia was a staunchly secular nation before protestors ousted its president five months ago.
Marc Lynch is with the Elliot School of International Affairs at George Washington University. He tells anchor Lisa Mullins that after tonight's speech — refusing to resign — Mubarak can't cling to power much longer.