Actor Robert De Niro is upset that New York City Mayor Zohran Mamdani wants to raise his property taxes. "I understand that the City needs more revenue to deliver all the services he promised when he ran for the office of mayor, but I helped get this guy elected," De Niro complained. "Now he wants to take more from me than any mayor in history and he won't even have a sit down meeting with me. Where's the gratitude I'm owed?" So far, Mamdani has refused the face-to-face meeting De Niro has requested, saying "this is not a mobster movie...