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New Yorkers will find out the identity of their new city leader this election day, in a race that will determine who runs and defends the country's largest city at a time when Donald Trump has threatened to deploy military troops to the urban center.

In this context, New York has witnessed a race for mayor that has pitted two distinctly opposing Democratic figures against one another. The contest has turned into an acrimonious face-off, marked by alleged racial bias and Islamophobia, but it is the ideological divide between the two leading candidates that could have significant consequences for how the party fares in next year's midterm elections.

The Progressive Challenger

In the progressive corner is the democratic socialist, the young democratic socialist whose rapid ascent and grassroots campaign has attracted global notice. On the establishment side is the former governor, the ex- New York governor now campaigning independently – and enjoying the support of wealthy contributors and big business.

With days to go, it is Mamdani, the one-time underdog who beat Cuomo in the party primary who is solidly positioned as the leading candidate. Mamdani, who has campaigned on a platform of economic justice and promised to halt rent increases for about two million New Yorkers, has outpaced Cuomo by double-digits across all surveys conducted in October, and it is very much the younger man's race to throw away.

The Controversial Campaign

Yet, the former governor, who stepped down as the state's leader in 2021 amid allegations of sexual harassment, has made it clear he will fight to the finish, and not necessarily in an fair fashion. He has trashed Mamdani's objectives as unachievable, and in the final stretch chuckled along as a broadcaster made anti-Muslim comments about the candidate, who is Muslim. Two weeks ago, the independent was strongly criticized as bigoted after sharing an AI-generated ad that included a series of racial caricatures and showed Mamdani freeing a group of criminals.

This represents a rather grubby end to an race that could be key to the path that the party, floundering in its response to Trump's power moves, takes in the coming years.

National Implications

Should Mamdani wins convincingly, the party establishment who have refused to endorse his campaign will be compelled to address a platform that has resonated with Americans' anger at inequality, inflation and the establishment. It would be difficult for the Senate leader and Hakeem Jeffries not to embrace at least some of Mamdani's progressive proposals about economic justice, given the fresh face has generated an enthusiasm within the Democratic ranks arguably not witnessed since Bernie Sanders ran for president eight years ago.

Conversely, if the former governor, who had been expected to sail to victory in the Democratic primary, achieve a remarkable comeback win, it could reinforce the party's existing approach of cautious, uninspiring resistance – a strategy that has infuriated the party base. A NYC rejection of Mamdani's progressive, positive message could persuade party leaders that the best plan is to remain in the center – even as surveys show the present version of the Democratic party is deeply unpopular across the country.

Campaign Energy

Voters in New York seem to prefer the Mamdani vision. Surveys show that Mamdani supporters are much more excited about their candidate than Cuomo backers, something that has been evident during the race. The candidate's engaging content on digital platforms, his optimistic vision for the city and his readiness to actually venture out and meet people in the metropolis has drawn an force of more than 50,000 volunteers, many of them young or first-time voters.

Personal Attacks

Yet, Cuomo, in his late sixties, continues to fight. And with the stakes 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 targeting the candidate personally. He has called his rival, who was born in Uganda to Indian parents, an “extremist”, and popped up on Fox Business for an discussion with a rightwing host, where Cuomo claimed New York “will not survive” Mamdani as mayor. It hit bottom recently, when Cuomo laughed along and said “that’s another problem” after a broadcaster said Mamdani would “cheer” another 9/11-style incident.

Campaign Dynamics

This strategy mirrors much of what the former president, who has deployed the military reserves to Washington DC and threatened to do the same to New York, has said about Mamdani, and maybe that shouldn’t come as a surprise. A group of billionaire New Yorkers, including some who contributed to the Republican in the last presidential race, have invested heavily into trying to get the independent into office, as other powerful voices have pressured Curtis Sliwa to withdraw from the contest.

Candidate Backgrounds

As far as the his team, and his billionaire supporters, are worried, it should never have come to this. When Mamdani, one of 150 state legislators, launched his mayoral bid in October 2024, few had heard of him, and in truth, few even paid attention.

The former governor, by contrast, eased his way into the contest in March 2025 and became the instant favorite. He was the political heavyweight who apparently held every edge. The quintessential political insider, he had married a Kennedy and served in a Democratic presidency. He assumed office as New York governor in 2011, 17 years after his parent, Mario Cuomo, stepped down from the same position.

Mamdani, who was elected to the state legislature in 2020, does not have the same political heritage. But his dedication to providing free buses and free childcare – along with the rent control promise – present a more positive vision of the city's direction than Cuomo’s dire warnings about “mayhem” and unfettered crime, and his vow to increase police presence.

Recent Challenges

Nevertheless, Mamdani has faced difficulties in the final phase, after footage surfaced suggesting him suggesting the New York police department and the Israel Defense Forces were connected.

“We have to make clear that when the boot of the police is on your throat, it’s been laced by the Israeli military,” Mamdani said in the clip, filmed at a DSA gathering in 2023. The progressive, a vocal opponent of Israel who has said the nation is engaging in atrocities in Gaza, indicated he was criticizing joint training exercises between the city police and IDF.

Powerful Moment

As the race closes, Mamdani appears to have won empathy and backing, however, for his response to his opponent's escalating attacks.

The progressive addressed the independent's 9/11 remarks in an heartfelt recording. In it, the candidate remembered how, when he first campaigned for the legislature, a family member suggested to him that he did not have to disclose about his Muslim faith. It was a lesson, Mamdani said, that many Muslim New Yorkers had been told “again and again”: “That security could only be found in the margins of our city. That it is in those shadows alone where followers of Islam could embrace their full identities, and that if we were to emerge from those shadows, then it is in those shadows that we must set aside our beliefs.”

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