The Issue: Increasing support for socialism amid New York City Mayor-elect Zohran Mamdani’s win. All of you who smugly vote for socialists should heed Margaret Thatcher’s words of wisdom: “The problem with socialism is that you eventually run out of other people’s money ( “Socialist NYC? Yes we ‘Khan,’ ” Nov. 15).” This is the most basic flaw in socialism’s economic structure. It will never succeed in New York City or anywhere else. Betty Schwartz Livingston, NJ It seems that New Yorkers suffer