Does Cablevision’s waging such an expensive, messy Fight against the Jets’ West Side stadium make good business sense? The battle between mayor bloomberg and Cablevision CEO James Dolan over the West Side stadium for the Jets has grown nasty, personal, and expensive. According to the latest figures, which run only through October 25, more than $11 million has been spent on ads by both sides, with Cablevision’s accounting for $8.5 million. And the ad war has just escalated since then. But beyond a couple of endlessly repeated cost estimates, numbers on the business impact of the proposal have been scarce....