Thanks to New York City’s generous matching-funds program , local taxpayers are bankrolling Democratic Socialist Zohran Mamdani’s mayoral campaign. With close to $16 million received and $5 million cash on hand, the political newcomer has far outraised his opponents in private donations, amassing an impressive war chest heading into November’s general election . The city’s public-financing system is intended to give little-known candidates who fail to attract corporate or special-interest