Vornado Realty Trust chairman Steve Roth went off on Zohran Mamdani in an earnings call on Tuesday, calling the mayor’s public mugging of billionaire Ken Griffin a “blunder” and an “ugly, unnecessary video stunt.” It was about time New York City’s heavy hitters in real estate finally came off the ropes against the communistic mayor. Back on Feb. 12, I implored them to show some guts standing up to Mamdani , whom some top builders, eager to curry favor, foolishly praised for “listening to our concerns.” But Mamdani’s stupid and potentially catastrophic video finally spurred them to action.  Vorando boss Steve Roth went off on Zohran Mamdani in an earnings call on Tuesday, calling the mayor’s public mugging of billionaire Ken Griffin a “blunder” and an “ugly, unnecessary video stunt.” Getty Images The clip, which assailed mega-billionaire Griffin for owning a $238 million apartment, could deflate Griffin’s commitment to partner with Vornado and the Rudin organization to build a $4.5…