"I believe the sanctions are making it difficult for the Assad regime to wage war against the rebels and to continue...It's true that there are ways to circumvent the sanctions, but these are a series of incremental steps that are creating a growing isolation. I'm not sure where the path is heading, but its building momentum," said Lawrence Rubin, assistant professor in The Sam Nunn School of International Affairs, during an interview on CNN International. Source: CNN.com, October 18, 2012. Video runs approx. 7 minutes; Rubin interview begins at about 3 1/2 minutes into story.