Fat chance serving food to Nanny Bloomberg’s brigades. The city Health Department has been trying for two years to get a restaurateur to operate a cafe in its headquarters — but it required so many nanny-state provisions that no one applied. The department’s picky food specs mandated that all entrees and sandwiches be less than 700 calories with at least 50 percent under 500, and that no more than 20 snack and dessert items be available at any time, with all less than 200 calories and containing less than 200 milligrams of sodium. Also, only juices 8 ounces and under...