U.S.: Evidence sarin gas used in Syria

The U.S. defense secretary says it has evidence that sarin, a chemical weapon has been used in Syria. Whether this crosses the "red line" to trigger U.S. involvement in Syria remains to be seen.



via CNN.com - Top Stories http://edition.cnn.com/2013/04/25/world/meast/syria-civil-war/index.html?eref=edition