Mr. Delgado, New York’s lieutenant governor, said he would take on Gov. Kathy Hochul in next year’s Democratic primary because her tenure had lacked “bold, decisive” leadership.

© Dave Sanders for The New York Times

Kamala Harris did not appear in person at a California state Democratic convention, leaving delegates to wonder how seriously she is considering running and whether it would be wise.

© Mike Kai Chen for The New York Times