FRONT DESK

Not Your Father's Philadelphia Philadelphia has taken its knocks over the years, including W.C. Fields' put-down about Philadelphia and the grave. But Susan Schwenderman, director of communications for the Philadelphia CVB, recently shared the news about major developments under way, including the addition of 3,000 hotel rooms by the year 2000. According to Schwenderman, the 350-room Grand Bay Hotel, slated to open December 1999, will be among the city's most luxurious properties, with a 71