Viktor Mercier attended a prestigious culinary school in France, worked in Michelin-starred restaurants and made it to the finals of the popular television show “Top Chef.” Last year he opened his first gourmet restaurant in Paris. Now, the 30-year-old makes hot dogs. They’re not just any hot dogs. In keeping with his restaurant’s strict no-imports, Made in France identity, the sausage comes from free-range pigs in southern France. They’re served in soft bread from a celebrated French bakery and topped with glazed onions, shallot pickles and water cress. One hot dog costs €11 ($13). With France in the middle of a second …
