NYC Mayor Zohran Mamdani released a propaganda video on Saturday gushing about his plan to bring Soviet-style, government-run grocery stores to the Big Apple, claiming it will usher in a “new era” of delivering “affordable” shopping for all. “New York City, it is time for a grand experiment once again,” says the socialist pol, serving as narrator in the minute-long segment released by the Mayor’s Office and posted on social media platforms. “Just as [ex-Mayor Fiorello] LaGuardia used government to respond to the challenges of the Great Depression, we will use government to respond to rising prices and unaffordable groceries.” The video shows a shopping cart being wheeled through an immaculate supermarket, filled with fruits, vegetables, eggs, coffee, and other high-quality products — while a caption flashes: “affordable groceries for everyone.” NYC Mayor Zohran Mamdani released a propaganda video on Saturday gushing about his plan to bring Soviet-style, government-run grocery stores to the Big Apple,…