The recall of a progressive prosecutor in San Francisco and the strong showing by a former Republican in the mayor’s race in Los Angeles showed the shifting winds on criminal justice.
The endorsement, which will include a fund-raising email on Tuesday, will add progressive credibility to Alessandra Biaggi’s campaign and intensifies the threat at home to Mr. Maloney.
Mayor Adams and Representative Alexandria Ocasio-Cortez, who represent divergent wings of the Democratic Party, have not spoken one-on-one in nearly a year.