Zohran Mamdani's upset victory in the New York City Democratic mayoral primary wasn't just a win; it was a seismic event that's shaking the foundations of the Democratic Party. How did a self-described socialist unseat a political giant like Andrew Cuomo? And what does it mean for the future of progressive politics in America's blue cities?

This week we spoke with leading Democratic strategist and pollster Celinda Lake, who polled for Joe Biden in 2020 and polls for many progressives including AOC, to try and understand Mamdani's surprising win. Lake argues that Mamdani's "positive, solutions-oriented" message and "coherent plans"—from freezing rents to free daycare and city-run grocery stores—offered a compelling alternative to Cuomo's "horrible" campaign. We also explore how Mamdani's effective messaging and viral videos resonated with voters, offering a potential blueprint for Democrats looking to "stand for something" in an increasingly polarized political landscape.

Quinn Waller is our editor.

About Blue City Blues:

Twenty years ago, Dan Savage encouraged progressives to move to blue cities to escape the reactionary politics of red places. And he got his wish. Over the last two decades, rural places have gotten redder and urban areas much bluer.
America’s bluest cities developed their own distinctive culture, politics and governance. They became the leading edge of a cultural transformation that reshaped progressivism, redefined urbanism and remade the Democratic Party.
But as blue cities went their own way, as they thrived as economically and culturally vibrant trend-setters, these urban cosmopolitan islands also developed their own distinctive set of problems. Inequality soared, and affordability tanked. And the conversation about those problems stagnated, relegated to the narrowly provincial local section of regional newspapers or local NPR programming.
Blue City Blues aims to pick up where Savage’s Urban Archipelago idea left off, with a national perspective on the present and the future of urban America. We will consider blue cities as a collective whole. What unites them? What troubles them? What defines them?