April 21, 2026

In a move that has reshaped the political landscape of New York's 21st Congressional District, President Donald Trump has thrown his weight behind Anthony Constantino, the CEO of Sticker Mule and a newcomer to the political arena, in his bid to succeed Rep. Elise Stefanik. This endorsement has spotlighted the deepening rift within the Republican party, as Trump opts for a candidate aligned with his MAGA ethos over the state-endorsed Assemblymember Robert Smullen.
Trump's endorsement came via a post on Truth Social, where he praised Constantino for his unwavering support, highlighted by a “Vote for Trump” billboard that has become a local landmark along Interstate 90. The sign’s resilience against legal challenges from local Democrats seemingly bolstered Trump's decision, as he noted, “Anthony has been such a Great Supporter that he actually put up a somewhat ‘controversial’ sign, against strong opposition, in my honor. The sign is still there!”
Constantino’s campaign has rapidly gained momentum, drawing endorsements from key figures within Trump’s circle, including Rudy Giuliani and Roger Stone. Giuliani’s support followed a personal appeal from Constantino, which included a "beautiful two-page letter" that resonated with the former New York City mayor.
Meanwhile, Smullen, despite securing backing from numerous county chairs and state GOP leaders concerned about Constantino’s temperament, appears to be on the back foot. His campaign brushed off the significance of Trump's endorsement, attributing it to external influence. "A consultant got to the president, somebody who is being paid by my opponent," Smullen stated, suggesting a misstep by Trump.
This endorsement saga highlights a broader struggle within the state GOP, which is already reeling from internal disputes and the controversial process to find a successor for Stefanik, who was briefly considered for a role as Trump’s United Nations ambassador. The discord continues as Stefanik conducts a national book tour, with some allies vowing retribution against those they believe undermined her.
As the primary approaches, Constantino is optimistic about leveraging Trump’s endorsement to clinch the nomination. “I had a great talk with President Trump and am honored to receive his endorsement,” he commented. “He noted every primary candidate he endorses wins, so I look forward to winning the general election and making everyone who supported me very proud once I am in Congress.”
This development signals a potentially transformative shift in the political dynamics of New York’s 21st District, illustrating the enduring influence of Trump’s endorsement in Republican primaries and the ongoing tug-of-war between traditional party structures and the populist wave within the GOP.