Thoughts Go to Paris
Apparently, ISIS has now claimed responsibility.
Both extremes of this debate are fuelling the cycle.
Either way, the territory has proven that it is simply not capable of governing itself. The only way to end the violence, sadly enough, is to basically conquer the area and baby sit them like the children they act like. That's the last option I would ever resort to and it's something that would cause issues in its own right, but if handled properly, I don't think it's exactly the worst option there is.