Giuliani says obscure city agencies were billed for out-of-town credit-card charges of his mayoral security detail because the NYPD was so slow in paying its bills.......the Mayor's Office spent $165,985 for out-of-town travel in fiscal 2000 and in 2001 $184,796. It allocated another $143,867 to 12 agencies under Giuliani's control in 2000 and $435,215 in 2001, periods when he was conducting an extramarital affair with Nathan, now his third wife. Over two years, $579,082 in travel bills - including rental cars, motel bills and plane tickets - run up by Giuliani's security team didn't immediately appear as an expense incurred...