Zohran Mamdani ran on a promise to make New York City affordable. This week, he unveiled a budget that is, in a word, unaffordable. New York has been fiscally profligate for so long that the headline number — $127 billion — produces little shock. But for perspective, these are similar to the annual expenditures of a midsize nation (with all the expenses a country requires) — like Greece or Thailand — devoted to governing one city. New York City’s budget has ballooned in recent years. Mike