PBS Newshour: Chemical Weapons Declaration May Offer 'First, Key Tipoff' of Assad's Intentions

The Syrian government said it will comply with the U.S.-Russian deal, which puts the burden on Syria to declare the size and location of its chemical weapon stockpile. Gwen Ifill talks to Charles Duelfer, a former UN weapons inspector, about likely complications and the new UN report confirming a chemical attack near Damascus.