What will it take to dismantle Syria's chemical weapons stockpile?
Experts believe the Assad regime has more than 1,000 tons of chemical warfare agents including sulfur, mustard, and the deadly sarin nerve gas.
But finding the chemical weapons and accounting for them is a major challenge.
OutFront: Tom Foreman is in Washington DC with Lt. Colonel Rick Francona who lived in Syria for three years as a military attache.