Will UN take action against Syria after chemical attack?

In the wake of Tuesday’s barbaric chemical attack that killed dozens of people in Syria, the United Nations Security Council moved to investigate the assault. Russia, a close ally of the Syrian regime, moved to block the motion. And now, as Eric Sorensen reports, the U.S. is signalling unilateral action may be needed where multilateralism has faltered.

• Syria chemical weapon attack shows Bashar al-Assad free to act with impunity