CNN CNN Newsroom March 19, 2013 19:18:00
And of course there is that all important red line that's already been drawn. >> if this is the usage of chemical weapons, would we know for sure whether or not there would be u.s. boot on the ground in syria? >> the president has said that was a red line, he didn't say what it would mean if the red line got crossed. and they use the occasion again today and you heard carney talking about it where he's saying don't use this as a pretext, don't try to pump all of this up. the u.s. is backing the rebels saying this was a regime missile fired, russia is backing the syrian news agency's official a...