This link gives Assad a chance to personally speak to the issue.  He makes a very credible argument that the whole thing is a complete fabrication.  Of course the corporatist pro war monger MSNBC talking head along with fellow stooge discredit him.  Well, have we ever seen fake practice exercises of crises that our own government does.  It’s been on the corporate news.

Assad Finally Speaks Publicly On Chemical Attacks – 7 Minutes