At UN, Obama Offers Tough Words on Syria

Aired: 9/24/2013 | 0:06:38 | Clip
President Barack Obama bumped the issue of Iran's nuclear program to a "whole new level" in directing Secretary of State John Kerry to deal directly with his Iranian counterpart. Gwen Ifill talks to Margaret Warner, who is in New York at the UN General Assembly, about efforts to engage Iran, plus tensions with Russia over Syria.