Two secretive legal defense funds have paid a $70,000 retainer to bankruptcy lawyers for Rudy Giuliani. In a four-page motion to amend his bankruptcy declaration on Tuesday, Giuliani said he had retained Berger, Fischoff, Shumer, Wexler & Goodman, LLP. “The Debtor has selected the Firm because it has considerable experience in matters of insolvency and because the Debtor believes that such Firm is well qualified to represent it as Debtor and Debtor-In-Possession,” attorneys for Giuliani wrote. The filing said the firm was expected to perform “ordinary and customary components of an individual …