Zohran Mamdani, the 33-year-old socialist and Democratic nominee for mayor of New York City, shocked the political establishment with his primary win last month, including New York City real estate executives, with his radical ideas, like rent freezes and tax plans that single out specific neighborhoods. Marc Holliday, CEO of SL Green, a New York-based real-estate investment trust, is hosting a fundraiser for Mamdani's opponent, Mayor Eric Adams, at One Madison Avenue, one of his office towers, on Wednesday, according to a Wall Street Journal report. Holliday invited dozens of New York City's top real-estate executives to the rooftop cocktail...