The Department of Correction has begun serving New York City’s 14,000 prisoners a healthier diet of fruit, fiber-rich cereals, skim milk and whole wheat bread. Sugar-sweetened beverages are forbidden, and soon unsweetened muffins will replace sweetened ones. Fried foods have been off the menu for years, and has city has drastically reduced the amount of red meat served, placing a greater emphasis on chicken, fish and tofu. “We have no choice but to eat what......