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Residents of the Big Apple will learn the identity of their new city leader this Tuesday, in a race that will determine who runs and protects 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 experienced a mayoral election that has pitted two distinctly opposing Democrats against one another. The election has become an increasingly bitter face-off, laced with alleged racial bias and Islamophobia, but it is the political differences between the two leading contenders that could have significant consequences for how the Democratic party fares in next year's congressional races.

The Progressive Challenger

In the progressive corner is Zohran Mamdani, the 34-year-old progressive candidate whose rapid ascent and grassroots campaign has attracted international attention. Representing the old guard is Andrew Cuomo, the former Democratic New York governor now campaigning independently – and enjoying the support of wealthy contributors and corporations.

As the election approaches, it is Mamdani, the one-time underdog who defeated Cuomo in the party primary who is firmly installed as the leading candidate. The candidate, who has run on a platform of affordability and promised to freeze rent for about two million city residents, has outpaced Cuomo by double-digits across all surveys conducted in October, and it is very much the younger man's election to throw away.

A Bitter Contest

However, the former governor, who stepped down as the state's leader in 2021 amid allegations of misconduct, has stated clearly he will fight to the finish, and not necessarily in an fair manner. He has criticized his opponent's objectives as unachievable, and in the final stretch laughed as a radio host made anti-Muslim comments about Mamdani, who is Muslim. Two weeks ago, Cuomo was strongly criticized as racist after posting an AI-generated ad that featured a series of racist stereotypes and showed his opponent freeing a group of criminals.

This represents a particularly ugly end to an race that could be critical to the direction that the Democratic party, struggling in its response to Trump's power moves, adopts in the near future.

Broader Consequences

If the progressive wins convincingly, the party establishment who have declined to support his bid will be forced to reckon with a message that has appealed to Americans' frustration at economic disparity, soaring price rises and the establishment. It would be difficult for Chuck Schumer and the House leader not to adopt at least a portion of the candidate's ambitious ideas about economic justice, given the newcomer has generated an excitement within the party arguably not seen 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, complete a surprising riches-to-rags-to-riches victory, it could cement national Democrats' current model of considered, lackluster resistance – a strategy that has angered grassroots members. A New York rejection of Mamdani's optimistic platform could convince party leaders that the best plan is to remain in the political center – even as polls show the current iteration of the party is deeply unpopular nationwide.

Campaign Energy

Residents of the city appear to favor the Mamdani vision. Polls show that Mamdani supporters are far more enthusiastic about their choice than his opponent's supporters, something that has been apparent during the race. The candidate's engaging content on social media, his optimistic vision for New York and his willingness to actually venture out and meet people in the metropolis has attracted an army of more than 50,000 volunteers, many of them youth or first-time voters.

Personal Attacks

Yet, the former governor, 67, isn't giving up. And with the risks stacked against him, the former governor has resorted to negative campaigning in recent weeks.

After spending months throwing basically everything at his opponent to see what might resonate, the independent has narrowed his focus on attacking the candidate directly. He has labelled Mamdani, who was born in Uganda to South Asian heritage, an "radical", and appeared on conservative media for an discussion with Maria Bartiromo, where Cuomo asserted the city “will not survive” his opponent as city leader. It reached a nadir last week, when the former governor laughed along and said “that’s another problem” after a radio host said the candidate would “cheer” another 9/11-style attack.

Political Landscape

The line of attack echoes much of what the former president, who has deployed the national guard to Washington DC and threatened 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 the Republican in the 2024 election, have pumped millions into trying to elect the independent elected, as other influential figures have pressured Curtis Sliwa to withdraw from the race.

Candidate Backgrounds

As far as the Cuomo camp, and his wealthy backers, are concerned, it should never have come to this point. When Mamdani, one of 150 New York state assembly members, started his campaign for mayor in last year, not many had heard of him, and in reality, few even noticed.

Cuomo, by contrast, eased his way into the race in March 2025 and became the immediate frontrunner. He was the political heavyweight who apparently held every edge. The classic establishment figure, he had wed a Kennedy and served in Bill Clinton’s administration. He became New York governor in 2011, 17 years after his parent, Mario Cuomo, left office from the same position.

Mamdani, who was elected to the state legislature in 2020, does not have the comparable background. But his dedication to providing no-cost transit and affordable child services – along with the rent control promise – offer a brighter outlook of the future than Cuomo’s dire warnings about “mayhem” and rising criminal activity, and his promise to increase police presence.

Recent Challenges

Nevertheless, Mamdani has encountered difficulties in the final phase, after video emerged appearing to show him implying the NYPD and the Israel Defense Forces were connected.

“We have to make clear that when the pressure of the NYPD is on your neck, it’s been laced by the IDF,” the candidate said in the clip, filmed at a DSA convention in recent years. Mamdani, a vocal opponent of the Israeli government who has said the nation is engaging in atrocities in the Palestinian territory, indicated he was criticizing cooperative programs between the NYPD and Israeli forces.

Powerful Moment

With the election nearing, Mamdani appears to have won sympathy and support, however, for his reaction to his opponent's escalating attacks.

Mamdani responded to Cuomo’s terrorism comments in an heartfelt recording. In it, the candidate recalled how, when he first ran for the legislature, a Muslim uncle advised to him that he did not have to tell people about his religion. It was a realization, Mamdani said, that many local Muslims had been told “again and again”: “That security could only be found in the margins of our community. That it is in those shadows alone where followers of Islam could express their full identities, and that if we were to step out from those seclusion, then it is in those shadows that we must leave our faith.”

Addressing the actions of Cuomo and Sliwa, who has alleged Mamd