Rudy Giuliani, the embattled former New York City Mayor, is fighting back against creditors who demand that he sell his $3.5 million Florida condo in his recent bankruptcy case, RadarOnline.com has learned. The embattled former New York City Mayor filed papers Thursday opposing a bid by a group of creditors in his Chapter 11 bankruptcy case seeking to recoup their debts — specifically asking that he be forced to part with his Palm Beach home. Giuliani’s legal team argues that he needs the Sunshine State property to grow his broadcast income by using it as a base for his radio and podcast shows…