Giuliani Adds a Soft-Money Arm In an Effort to Fight Fire With Fire
Mayor Rudolph W Giuliani sets up political committee to collect largely unregulated donations known as soft money, and is asking supporters of his Senate candidacy to give as much as $50,000 per couple to attend committee's inaugural dinner; fund-raising arm, called Giuliani Victory Committee, allows Giuliani to skirt strict federal rules governing donations to his separate Senate campaign committee--practice already embraced by his Democratic opponent, Hillary Rodham Clinton (M)