In a culinary world of new stars and shifting tastes, renowned French Chef Georges Perrier is on a crusade to rescue his iconic restaurant, Le Bec-Fin in Philadelphia, from closing and keep it relevant. The 67-year-old, Lyon-raised owner is preparing to sell the eatery, one of the finest French restaurants in the country, after more than four decades in business. Times and tastes have changed and what was once cutting edge is now out of favor.