De Blasio’s 421-a dilemma

On a recent afternoon, a group of a few dozen people braved the chilly February winds and marched down West 57th Street in Manhattan—the heart of the so-called billionaire’s row—armed with signs and singing chants: “Subsidize our house, not their penthouse!” was a favorite.

They planned to end the march in front of One57, the superluxury, supertall tower that symbolizes the high-end condo boom along this strip of Midtown once famous more for its shopping than as a glamorous home address. Gathered under the building’s heated awning, they stood on the edge of the sidewalk and faced the entrance to the lobby of the hotel that shares the building with the residential development.

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