Putin was proposing that as the reason today.
ISIS has been caught dozens of times in years past launching chemical attacks.
ISIS has no hesitation at committing war crimes,, killing babies, chopping off the heads of Christians including Christian children. All of this is known, verified, documented, confirmed.
Like I said, I could care less that Syrian jets are busted, bombed, twisted, wrecked. I could care less for the display of fireworks that landed on these jets.
The only thing that matters to me is the Obama embeds in the Deep State are not finding a pathway to transmit bogus information that reaches the President.