U.S.: Intelligence points to small-scale use of sarin in Syria

The United States has evidence that the chemical weapon sarin has been used in Syria on a small scale, Defense Secretary Chuck Hagel said Thursday.

But numerous questions remain about the origins of the chemical and what effect its apparent use could have on the ongoing Syrian civil war and international involvement in it.

When asked whether the intelligence community's conclusion pushed the situation across President Barack Obama's "red line" that could trigger more U.S. involvement in the war, Hagel said it's too soon to say.read full article:http://www.cnn.com/2013/04/25/world/meast/syria-civil-war/index.html