Paris was once the undisputed capital of dining but there has been a big shift over the past few years, with countries like Spain, Italy, and the United States holding highly coveted spots on the World’s 50 Best list (Eleven Madison Park in the heart of New York City currently holds the top spot). Multiculturalism, variety between regions, and a growing interest in health, aligned with purchasing power, mean that the U.S. is leading the way in many innovative concepts that are resonating with the demands of increasingly savvy diners. Food...