Apollo Global Management has reportedly picked Austin, Texas, as the city that will host its second US headquarters, as Wall Street firms look to escape Mayor Zohran Mamdani’s tax-and-spend, left-wing policies. After narrowing down the choices to Texas and Florida, the Marc Rowan-led powerhouse chose Austin over apparent concerns about the lack of private schools in the Sunshine State, the Financial Times reported Friday. Apollo manages money for pension funds, insurers and wealthy investors —