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For the first time since 1972, a New York City mayor is running for president while still in office.

Bill de Blasio is joining a crowded Democratic primary field that already features more than 20 candidates.

As de Blasio campaigns, here is a look at his record, the latest news from the trail, and updated information on the issues.

WHO IS BILL DE BLASIO?

LATEST DE BLASIO 2020 NEWS

INTERVIEWS WITH THE MAYOR