Meet Mamdani’s Biden Expats

Today, Zohran Mamdani will be sworn in as the 111th mayor of New York City. This would have been scarcely thought possible just one year ago. The spirit with which Mamdani organized and beat an avatar of the state political establishment—twice—sustained progressives during the long winter of 2025 and provided some hope that charisma, expert use of modern communications, and a laser focus on the cost of living could produce a winning formula.

But as campaigning shifts to governing, those...