Intel Chief Warns Syria's Militants Want To Attack US

There are chinks of daylight breaking through in Syria peace talks. International mediator Lakhdar Brahimi said negotiations between the government and opposition are finally seeing some progress. But at the same time, Washington says it's worried about new threats emerging from Syria, with terrorism being only one of them. The US national intelligence chief warned Damascus is still capable of producing biological weapons - despite the current process of disarmament. RT's Marina Portnaya has the details.