Free Syrian Army fighters are seen at Houla, near Homs, December 3, 2012. REUTERS/Misra Al-Misri/Shaam News Network/Handout (SYRIA - Tags: POLITICS CIVIL UNREST CONFLICT) FOR EDITORIAL USE ONLY. NOT FOR SALE FOR MARKETING OR ADVERTISING CAMPAIGNS. THIS IMAGE HAS BEEN SUPPLIED BY A THIRD PARTY. IT IS DISTRIBUTED, EXACTLY AS RECEIVED BY REUTERS, AS A SERVICE TO CLIENTS
The US says it fears Syria's President Bashar al-Assad may resort to using chemical weapons against his people.
White House spokesman Jay Carney said the US was concerned that such an action might be taken by "an increasingly beleaguered regime."
Anchor Marco Werman speaks with former UN weapons inspector Charles Duelfer about Syria's chemical weapons capability.