The New York City government, says financial watchdog Truth in Accounting (TIA), is a money mess. Its finances are the most troubled in America, TIA charges, although other cities also have problems. New York’s books, TIA claims, aren’t balanced as required by law. That’s because it doesn’t currently count all its bills, it says. For decades. the city’s leaders, TIA says, have disguised how much the taxpayers owe for pension and health care debts, called other post-employment benefits (OPEB). New York City’s leaders disagree. They say city finances are good, citing strong bond ratings. But TIA, in its new report, “Survey of the Cities 2022,” gave the Big Apple the worst grade and bad grades to other big cities. “Based upon the city’s fiscal year 2020 audited financial report, New York City had a Taxpayer Burden of $71,400, earning it an ‘F’ grade from Truth in Accounting. New York City’s …