New Yorkers have been in the throes of sticker shock since this spring when the Big Apple became the first city in the country to implement a law forcing chain restaurants to post the calorie count of each food in the same size and font as the price. Restaurants have not exhausted their legal challenges, but the city will start fining violators up to $2,000 beginning Friday, say officials with the city’s Department of Health and Mental Hygiene. While some sit-down chains and fast-food eateries are waiting until the last minute, coffee shops like Starbucks — home of the 470...