Citizens Prime Time Show

US President Barack Obama says the US has concluded that the Syrian government carried out a chemical weapons attacks near Damascus. He said the use of chemical weapons affected US national interests and sending a "shot across the bows" could have a positive impact on Syria's war. But in the interview with PBS, he said he had not yet made a decision about whether to intervene militarily. His comments follow a day of behind-the-scenes wrangling at the UN.