Mamdani warning to wealthy New Yorkers about 'fair share' sparks online firestorm: 'Full blown communist' Fox NewsPied-à-terre tax homeowners given notice, Mamdani says USA TodayIs a second home in New York or London more trouble than it's worth? Financial TimesMamdani puts rich second-home owners in New York on notice for pied-à-terre tax: 'You've got mail'