Mayor Zohran Mamdani’s first city-owned grocery store will be in East Harlem and cost about $30 million, a report said Sunday. The store will be in La Marqueta, a marketplace under the train tracks running over Park Avenue, and be up and running for business by the end of his first term in 2029, according to the New York Times. La Marqueta is already owned by the city. Mamdani was expected to announce the Manhattan market plan at the party he was throwing at a Queens concert hall Sunday to celebrate his first 100 days in office, a milestone that...