Zohran Mamdani spent his Halloween dancing as polls show him leading Andrew Cuomo by double digits with just days to spare before the New York City mayoral election. The socialist spent Friday at a senior center on the Lower East Side joining in on a dance class before participating in a tai chi lesson. All the while, he continued to press on with his far left agenda that has him leading Andrew Cuomo and Curtis Sliwa. 'It's the same message that we opened with, which is that this is the most expensive city in the United States of America, and...