A day before New York City’s mayoral primary election, all eyes are on Zohran Mamdani, the Democratic Socialist candidate looking to topple former New York Gov. Andrew Cuomo to be on the Democratic ticket.

In the words of Nelson Mandela, ‘It always seems impossible until it is done,’” the democratic socialist said.

Not so long ago, Mr. Mamdani was a little-known state assemblyman. But his personality and platform captivated an unlikely coalition of New York City primary voters.