Citadel founder and CEO Ken Griffin described New York City Mayor Zohran Mamdani ’s "tax the rich" video targeting him as a "creepy and weird" political advertisement. Speaking at the Milken Conference in Los Angeles on Tuesday, Griffin said Mamdani’s "frightening" video reaffirmed his decision to "double down" on business in Miami. "Mamdani has made it very clear—New York does not welcome success," Griffin said during the panel. MAMDANI'S CLASH WITH BILLIONAIRE PUTS NYC STREET FOOD VENDORS IN THE CROSSHAIRS On April 15 (Tax Day), NYC Mayor Zohran Mamdani posted a video outside Ken Griffin’s Manhattan penthouse promoting a new "tax-the-rich" policy. (Spencer Platt/Aaron Schwartz/Bloomberg/Getty Images / Getty Images) On April 15, Mamdani posted a video highlighting Griffin’s property while announcing a new pied-à-terre tax . The video shows Mamdani—who has pledged to raise taxes on wealthy New Yorkers —standing outside Griffin’s 24,000-square-foot property.…