Those threats of involvment of the entire region are not the deterants. They are the incentives. Without a major clusterf--- kind of war that involves much of the world, Obama cannot take his place in history next to FDR and Woodrow Wilson who are looked upon, at least not unkindly, for shepherding us through dangerous times. Scant attention is paid in history books to the miserable failures of their socialist programs that preceded the big wars.
Without a war to blow up the world, Obama ends up looking like a putz.