These days, it seems like Zohran Mamdani is everywhere. He’s walking uptown from City Hall to Gracie Mansion, greeting New Yorkers on the way—much like he did the night before his primary victory in June . He’s saying hi to Mr. and Mrs. Met on the way to greet the house staff at Citi Field. He’s reading to kindergartners and singing “The Wheels on the Bus” with Ms. Rachel (& President Obama ) and spent every night in Ramadan with a different community of Muslims in the city. He’s joined city