New York City’s incoming mayor, Zohran Mamdani, hasn’t taken office yet. But he’s already the new avatar of evil for conservative media figures. He’s been called “downright sinister” and “incompatible with America.” His labels include commie, Marxist, jihadist sympathizer and “seething leftist.” Fox News’ Laura Ingraham warned her viewers not to be fooled by “smiling socialists who rule like Soviet tyrants.” A New York Post post-election cover that depicted Mamdani holding aloft the Soviet