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Residents of the Big Apple will learn the identity of their new city leader this Tuesday, in a contest that will decide who governs and defends the country's most populous metropolis at a moment when the former president has vowed to send armed forces to the city.

In this context, New York has witnessed a mayoral election that has matched two very different Democratic figures against one another. The contest has turned into an acrimonious showdown, marked by alleged racial bias and anti-Muslim sentiment, but it is the ideological divide between the two leading candidates that could have major implications for how the Democratic party fares in next year's congressional races.

The Progressive Challenger

In the progressive corner is the democratic socialist, the young democratic socialist 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 benefiting from the backing of ultra-rich donors and big business.

With days to go, it is the progressive, the one-time underdog who beat Cuomo in the Democratic primary who is solidly positioned as the frontrunner. Mamdani, who has run on a platform of affordability and pledged to freeze rent for about two million city residents, has outpaced his rival by significant margins in every poll conducted in the fall, and it is very much the younger man's election to throw away.

The Controversial Campaign

However, Cuomo, who resigned as governor in 2021 amid allegations of misconduct, has stated clearly he will battle to the finish, and not necessarily in an above-the-belt fashion. He has trashed Mamdani's objectives as unachievable, and in the final stretch chuckled along as a radio host made anti-Muslim comments about the candidate, who is a Muslim. Recently, Cuomo was strongly criticized as bigoted after posting an artificial intelligence video that featured a series of racial caricatures and showed his opponent freeing a group of criminals.

This represents a particularly ugly conclusion to an race that could be critical to the direction that the party, struggling in its response to the former president's power moves, adopts in the coming years.

National Implications

If the progressive wins convincingly, the establishment party leaders who have declined to support his campaign will be compelled to address a platform that has appealed to Americans' frustration at inequality, inflation and the establishment. It would be difficult for Chuck Schumer and Hakeem Jeffries not to adopt at least some of the candidate's ambitious ideas about affordability, given the fresh face has created an excitement within the Democratic ranks arguably not seen since the Vermont senator ran for president eight years ago.

Conversely, should the former governor, who had been expected to sail to victory in the Democratic primary, complete a surprising comeback win, it could reinforce the party's existing approach of cautious, uninspiring opposition – a strategy that has angered the party base. A New York rejection of the progressive's optimistic platform could convince Schumer and Jeffries that the best plan is to remain in the political center – even as surveys show the present version of the Democratic party is deeply unpopular across the country.

Campaign Energy

Residents of New York seem to prefer the Mamdani vision. Surveys show that his backers are far more enthusiastic about their candidate than his opponent's supporters, something that has been apparent during the race. The candidate's snappy videos on digital platforms, his optimistic vision for the city and his willingness to actually venture out and meet people in the city 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 against him, the ex-leader has resorted to ugly messaging in recent weeks.

After spending months throwing basically everything at Mamdani to see what might resonate, Cuomo has concentrated on targeting Mamdani directly. He has called his rival, who was born in Uganda to Indian parents, an "radical", and appeared on conservative media for an interview with a rightwing host, where the candidate asserted the city “will not survive” his opponent as city leader. It hit bottom last week, when the former governor laughed along and said “that’s another problem” after a broadcaster said Mamdani would “cheer” another 9/11-style attack.

Campaign Dynamics

The line of attack mirrors much of what Trump, who has sent the military reserves to the capital and threatened to take similar action to NYC, has said about Mamdani, and maybe that shouldn’t come as a surprise. A group of billionaire New Yorkers, including some who donated to Trump in the 2024 election, have invested heavily into trying to get the independent into office, as other influential figures have pressured Curtis Sliwa to drop out from the contest.

Political Histories

As far as the Cuomo camp, and his billionaire supporters, are worried, it should never have come to this point. When Mamdani, one of 150 New York state assembly members, launched his campaign for mayor in last year, few had known him, and in reality, few even paid attention.

Cuomo, by comparison, eased his way into the contest in March 2025 and became the instant favorite. He was the big beast who seemingly held all the advantages. The classic political insider, he had married a Kennedy and worked in Bill Clinton’s administration. He became New York governor in 2011, 17 years after his parent, the former governor, stepped down from the identical role.

The progressive, who was voted in to the state legislature 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 city's direction than Cuomo’s dire warnings about “mayhem” and rising criminal activity, and his promise to hire more police officers.

Recent Challenges

Still, the candidate has faced difficulties in the final phase, after footage surfaced suggesting him implying the New York police department and the IDF were intertwined.

“We have to make clear that when the pressure of the police is on your throat, it’s been influenced by the Israeli military,” the candidate said in the recording, recorded at a DSA convention in 2023. Mamdani, a longtime critic of the Israeli government who has said the country is committing genocide in Gaza, suggested he was criticizing cooperative programs between the city police and Israeli forces.

Emotional Response

With the election nearing, the candidate appears to have won empathy and backing, however, for his reaction to Cuomo’s escalating attacks.

Mamdani addressed the independent's 9/11 remarks in an emotional video. In it, Mamdani recalled how, when he first ran for state assembly, a family member suggested to him that he did not have to disclose about his Muslim faith. It was a realization, he said, that many local Muslims had been told “again and again”: “That security could only be found in the margins of our city. That it is in those hidden spaces alone where Muslims could embrace their full identities, and that if we were to emerge from those shadows, then it is in those silence that we must leave our faith.”

Addressing the behavior of his opponents, who has alleged Mamd