'We're taxing the rich': Kevin O'Leary and Bill de Blasio debate NYC Mayor Mamdani's new tax on second homes

<p>Shark Tank’s Kevin O’Leary and former New York City Mayor Bill de Blasio debate Mayor Mamdani’s proposed tax on luxury second homes. O’Leary argues the wealthy already pay enough and calls the policy “un-American.” De Blasio pushes back, saying it would support working-class New Yorkers and help the city generate revenue to “be more effective.”</p>