Now mind you, we have no public plans to attack. So to diffuse this situation all we have to say is "Well, we didn't make plans. We just said we were going to if you don't comply, dorkus". And then be like "Ok, sure, we'll stop arming the rebels"(even though there's a 2.5 month delay, so they'll still be getting weapons for another two months). The third might be a little complicated....
We shouldn't, as it was never a negotiation to get him to stop using chemical weapons. He will stop, one way or another. And if another middle eastern country decides they want to use chemical weapons, we'll do the same thing to them.
I feel like this was the worst move Assad could have made. Kerry and Lavrov felt like they were on the same page, and then boom. There goes the world.