Calls to “tax the rich” are, once again, gaining traction online in recent weeks. It kicked off last month after New York Governor Kathy Hochul proposed a new tax on second homes in New York City worth more than $5 million. That got little attention, but it was New York City mayor Zohran Mamdani who turned it into a viral issue with a video promoting Hochul’s tax, filmed in front of a billionaire’s nine-figure penthouse. Mamdani framed the proposal as a tiny contribution made by billionaires sitting on empty luxury NYC housing that will quickly raise $500 million to help provide things like