Images of citizens who'd been gassed prompted US strikes on a Syrian airfield. What's behind the tensions? How can we work out which stories are true? What impact will the US strikes have on the rest of the world? Ali Clarke seeks a variety on insights, with Felix Patrikeef, Associate Professor International Relations at Adelaide University, Dr Tim Anderson, Senior Lecturer with the University of Sydney and author of 'The Dirty War on Syria', John Bruni, Director of SAGE International who's a terrorism and security analyst, then Tory Shepherd, Political Editor with The Advertiser on Australia's political reaction.