IS is an Obama-Hillary-McCain production, so it should surprise no one when Russia’s air power intervention turns out to be far more effective than Obama’s.
http://www.judicialwatch.org/wp-content/uploads/2015/05/Pg.-291-Pgs.-287-293-JW-v-DOD-and-State-14-812-DOD-Release-2015-04-10-final-version11.pdf