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Residents of the Big Apple will discover who will be their new city leader this Tuesday, in a contest that will decide who governs and defends the nation's most populous metropolis at a moment when Donald Trump has threatened to deploy armed forces to the city.

Against that backdrop, New York has witnessed a mayoral election that has matched two distinctly opposing Democrats against one another. The contest has turned into an increasingly bitter face-off, marked by alleged racism and Islamophobia, but it is the political differences between the two main candidates that could have major implications for how the party fares in next year's congressional races.

The Rising Progressive

In the progressive corner is the democratic socialist, the 34-year-old progressive candidate whose meteoric rise and people-powered movement has brought international attention. Representing the old guard is the former governor, the ex- New York governor now campaigning independently – and enjoying the support of ultra-rich donors and corporations.

With days to go, it is Mamdani, the one-time underdog who defeated Cuomo in the Democratic primary who is solidly positioned as the frontrunner. The candidate, who has run on a agenda of affordability and promised to freeze rent for about 2 million New Yorkers, has outpaced his rival by significant margins in every poll taken in the fall, and it is very much the younger man's election to throw away.

A Bitter Contest

However, Cuomo, who resigned as the state's leader in recent years amid accusations of misconduct, has made it clear he will fight to the end, and not necessarily in an fair fashion. He has criticized his opponent's objectives as unrealistic, and in the final stretch laughed as a broadcaster made anti-Muslim comments about Mamdani, who is Muslim. Recently, the independent was strongly criticized as racist after posting an artificial intelligence video that included a series of racial caricatures and showed Mamdani releasing a convicts.

This represents a rather grubby end to an election that could be key to the path that the party, floundering in its response to the former president's authoritarian grabs, adopts in the coming years.

National Implications

Should the progressive secures a clear victory, the establishment party leaders who have declined to support his bid will be forced to reckon with a platform that has resonated with Americans' anger at economic disparity, soaring price rises and the establishment. It would be hard for the Senate leader and Hakeem Jeffries not to embrace at least a portion of the candidate's ambitious ideas about economic justice, given the newcomer has generated an enthusiasm within the Democratic ranks arguably not witnessed since Bernie Sanders campaigned for the White House eight years ago.

However, if the former governor, who had been predicted to sail to victory in the June primary, achieve a remarkable riches-to-rags-to-riches victory, it could reinforce the party's current model of considered, uninspiring resistance – a strategy that has angered the party base. A NYC rejection of the progressive's progressive, positive message could convince party leaders that the wisest course is to remain in the political center – even as surveys show the current iteration of the party is deeply unpopular nationwide.

Voter Enthusiasm

Residents of New York appear to favor the Mamdani vision. Surveys show that Mamdani supporters are much more excited about their choice than Cuomo backers, something that has been evident during the race. Mamdani's engaging content on digital platforms, his hopeful outlook for New York and his willingness to actually venture out and connect with voters in the metropolis has drawn an force of over fifty thousand volunteers, many of them young or new participants.

Personal Attacks

However, Cuomo, in his late sixties, isn't giving up. And with the risks stacked against him, the former governor has turned to ugly messaging in recent weeks.

Following extensive launching various attacks at his opponent to see what might resonate, Cuomo has concentrated on attacking Mamdani directly. He has labelled his rival, who was born in Uganda to Indian parents, an “extremist”, and appeared on conservative media for an interview with a rightwing host, where Cuomo asserted the city “will not survive” Mamdani as city leader. It reached a nadir last week, when Cuomo laughed along and said “that’s another problem” after a radio host said the candidate would “cheer” another terrorist attack.

Political Landscape

The line of attack echoes much of what the former president, who has deployed the national guard to Washington DC and warned to do the same to New York, has said about Mamdani, and perhaps that is expected. A group of billionaire New Yorkers, including some who donated to Trump in the last presidential race, have pumped millions into trying to get Cuomo elected, as other influential figures have pressured Curtis Sliwa to drop out from the race.

Candidate Backgrounds

For the Cuomo camp, and his billionaire supporters, are worried, it should never have come to this. When Mamdani, one of 150 state legislators, started his campaign for mayor in October 2024, few had known him, and in truth, few even noticed.

Cuomo, by comparison, entered smoothly into the race in March 2025 and became the immediate frontrunner. He was the big beast who apparently held every edge. The quintessential political insider, he had married a Kennedy and served in Bill Clinton’s administration. He assumed office as New York governor in over a decade ago, 17 years after his parent, the former governor, left office from the identical role.

Mamdani, who was elected to the New York state assembly in 2020, does not have the same political heritage. But his dedication to providing free buses and affordable child services – along with the freeze-the-rent pledge – present a more positive vision of the future than his opponent's dire warnings about “mayhem” and unfettered crime, and his vow to increase police presence.

Campaign Controversies

Still, Mamdani has faced some challenges in recent days, after footage emerged appearing to show him implying the New York police department and the IDF were connected.

“We have to make clear that when the pressure of the NYPD is on your throat, it’s been laced by the IDF,” Mamdani said in the recording, filmed at a Democratic Socialists of America gathering in 2023. Mamdani, a longtime critic of the Israeli government who has said the nation is engaging in atrocities in Gaza, indicated he was questioning cooperative programs between the NYPD and IDF.

Emotional Response

As the race closes, Mamdani appears to have won sympathy and support, however, for his reaction to Cuomo’s increasing rhetoric.

The progressive addressed the independent's terrorism comments in an heartfelt recording. In it, the candidate recalled how, when he first campaigned for the legislature, a family member advised to him that he did not have to tell people about his Muslim faith. It was a realization, Mamdani said, that many Muslim New Yorkers had been told “again and again”: “That security could only be found in the margins of our community. That it is in those hidden spaces alone where followers of Islam could express their true selves, and that if we were to step out from those seclusion, then it is in those silence that we must leave our beliefs.”

Speaking to the behavior of his opponents, who has alleged Mamd