Mr. Mamdani reaffirmed that he would govern New York City as a democratic socialist and assured even those who had not voted for him: “I am your mayor.” By Jeffery C. Mays and Emma G. Fitzsimmons ...

When we go to the supermarket, we’re confronted with a vast array of foods — packaged, unpackaged, natural, organic, nonorganic, foods with claims of being nutritious or sustainably farmed or endorsed ...