In saying that chemical weapons are a red line, the Obama administration is also saying that the killing of 70,000 Syrians is not a red line, which, when you think about it, is a remarkable thing to say. - http://www.theatlantic.com/international/archive/2013/04/why-is-there-a-red-line-on-chemical-weapons-but-not-on-70-000-deaths/275328/