You're absolutely right. Aleppo is not an ISIS stronghold, but is a strategically important city to Assad. The Ruskies and the Iranians are going to test and see how much of a stomach Prince Barry of Sodom has for a real fight. My guess: not much. He'll cut and run and abandon his Sunni "moderate" allies. In two weeks or so, the Pentagon will announce the end of the Syrian "training" mission, and Prince Barry's humiliation will be complete.
That ship already sailed.
Pentagon Ends Program to Train Syrian Rebels, Starts Revamped Initiative