Socialist mayoral front-runner Zohran Mamdani on Tuesday lambasted his rival Andrew Cuomo for cozying up to billionaires for cash rather than rubbing elbows with hardscrabble New Yorkers on the campaign trail. Mamdani said Manhattan’s ultra-elite “Billionaires’ Row” — which he mockingly called “Avenue Andrew” — is where Cuomo has focused his attention in the days…
