The West is a couple of weeks into the latest air campaign in the Middle East, targeting the group we know among other names as ISIS. It is too early to see an outcome on the ground. The first test of its success is Kobane on northern Syria’s border with Turkey. As the fighting goes on, it seems the bombing could not halt ISIS’ continuing advance to the town though there are claims it has started to have an impact on the street-to-street fighting. Amid the uncertainties on the ground, three questions remain relevant.