Alain Ducasse French  style restaurant, Located at: 155 W 58th St. Manhattan, NEW YORK   Phone Number 212-265-7300           Hours of Business: Dinner nightly, closed Sunday.           Average Price: $80                   No other experience so closely approximates a meal at the best restaurants of La Republique. From the warm welcome, to the quiet, spacious room, from the doting service, to the seemingly endless parade of courses, Ducasse has put the haute back into haute cuisine.