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New Yorkers will learn the identity of their new city leader this Tuesday, in a race that will decide who runs and defends the nation's largest city at a time when the former president has threatened to deploy armed forces to the urban center.

In this context, New York has witnessed a race for mayor that has pitted two distinctly opposing Democrats against one another. The contest has become an acrimonious showdown, marked by accusations of racial bias and anti-Muslim sentiment, but it is the political differences between the two main contenders that could have major implications for how the party fares in next year's congressional races.

The Progressive Challenger

On the left side is the democratic socialist, the young democratic socialist whose rapid ascent and people-powered movement has attracted international attention. On the establishment side is the former governor, the former New York governor now campaigning independently – and enjoying the backing of ultra-rich donors and corporations.

As the election approaches, it is Mamdani, the one-time underdog who beat Cuomo in the party primary who is firmly installed as the frontrunner. The candidate, who has run on a agenda of affordability and pledged to halt rent increases for about 2 million city residents, has led his rival by significant margins across all surveys taken in the fall, and it is very much the progressive's race to lose.

A Bitter Contest

Yet, the former governor, who stepped down as governor in 2021 amid accusations of misconduct, has stated clearly he will fight to the end, and not necessarily in an fair fashion. He has criticized his opponent's objectives as unrealistic, and in recent days chuckled along as a broadcaster made anti-Muslim comments about the candidate, who is a Muslim. Recently, the independent was strongly criticized as bigoted after posting an AI-generated ad that featured a slew of racist stereotypes and showed Mamdani releasing a group of criminals.

It's been a rather grubby end to an race that could be critical to the direction that the party, floundering in its reaction to the former president's authoritarian grabs, takes in the near future.

Broader Consequences

If the progressive wins convincingly, the party establishment who have declined to support his campaign will be compelled to address a platform that has resonated with Americans' frustration at economic disparity, soaring price rises and the establishment. It would be difficult for the Senate leader and the House leader not to embrace at least some of Mamdani's ambitious ideas about economic justice, given the fresh face has created an enthusiasm within the party perhaps not seen since Bernie Sanders campaigned for the White House eight years ago.

Conversely, should Cuomo, who had been expected to sail to victory in the June primary, complete a surprising comeback victory, it could cement national Democrats' current model of considered, lackluster resistance – a strategy that has angered grassroots members. A New York defeat of Mamdani's progressive, positive message could persuade Schumer and Jeffries that the wisest course is to remain in the center – even as polls show the current iteration of the Democratic party is deeply unpopular across the country.

Campaign Energy

Voters in the city appear to favor the Mamdani vision. Surveys show that his backers are much more excited about their candidate than his opponent's supporters, something that has been apparent throughout the campaign. The candidate's engaging content on social media, his optimistic vision for the city and his willingness to actually get out and connect with voters in the city has attracted an army of over fifty thousand volunteers, many of them youth or new participants.

Negative Tactics

Yet, Cuomo, in his late sixties, continues to fight. And with the stakes against him, the former governor has turned to negative campaigning in the final days.

After spending months launching various attacks at Mamdani to see what might stick, the independent has narrowed his focus on targeting Mamdani personally. He has labelled his rival, who was of Ugandan origin to South Asian heritage, an “extremist”, and popped up on Fox Business for an interview with a rightwing host, where the candidate claimed the city “will not survive” his opponent as mayor. It reached a nadir last week, when Cuomo chuckled and said “that’s another problem” after a broadcaster said Mamdani would “cheer” another terrorist attack.

Campaign Dynamics

This strategy mirrors much of what the former president, who has deployed the military reserves to Washington DC and warned to take similar action to New York, has said about Mamdani, and perhaps that shouldn’t come as a surprise. A group of billionaire New Yorkers, including some who donated to the Republican in the last presidential race, have invested heavily into trying to get Cuomo into office, as other powerful voices have pressured the Republican candidate to drop out from the race.

Political Histories

As far as the his team, and his wealthy backers, are worried, it should not have reached to this point. When Mamdani, one of 150 state legislators, launched his campaign for mayor in last year, few had heard of him, and in reality, few even noticed.

Cuomo, by contrast, entered smoothly into the contest in March 2025 and became the instant favorite. He was the big beast who seemingly held all the advantages. The quintessential political insider, he had wed a Kennedy and worked in Bill Clinton’s administration. He became the state's leader in over a decade ago, 17 years after his father, Mario Cuomo, stepped down from the same position.

The progressive, who was elected to the New York state assembly in 2020, does not have the same political heritage. But his commitment to providing no-cost transit and free childcare – along with the rent control promise – present a more positive vision of the city's direction than his opponent's pessimistic predictions about “mayhem” and rising criminal activity, and his vow to hire more police officers.

Recent Challenges

Nevertheless, Mamdani has encountered some challenges in the final phase, after video emerged suggesting him implying the NYPD and the Israel Defense Forces were connected.

“We have to make clear that when the boot of the police is on your neck, it’s been laced by the IDF,” Mamdani said in the recording, recorded at a Democratic Socialists of America gathering in recent years. The progressive, a longtime critic of Israel who has said the country is engaging in atrocities in Gaza, suggested he was questioning joint training exercises between the NYPD and Israeli forces.

Emotional Response

With the election nearing, the candidate appears to have won sympathy and support, however, for his response to Cuomo’s escalating attacks.

Mamdani responded to the independent's 9/11 remarks in an heartfelt recording. In it, Mamdani remembered how, when he first ran for state assembly, a Muslim uncle suggested to him that he did not have to tell people about his Muslim faith. It was a realization, he said, that many local Muslims had been taught “again and again”: “That safety could only be found in the margins of our city. That it is in those shadows 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 shadows that we must leave our beliefs.”

Addressing the actions of his opponents, who has claimed Mamd