SACRAMENTO, Calif. — Gov. Gavin Newsom ordered California state officials on Thursday to begin dismantling thousands of homeless encampments, the nation’s most sweeping response to a recent Supreme Court ruling that gave governments greater authority to remove homeless people from their streets.

Late Sunday morning, Vice President Kamala Harris summoned a small clutch of her closest advisers and allies to the Naval Observatory, where she lives and works, with little notice and even less information.

WEST ALLIS, Wis. — Delivering a jolt of enthusiasm to a party reeling from weeks of infighting, Vice President Kamala Harris rallied Democrats on Tuesday in Wisconsin and laid out a fierce argument against former President Donald Trump.

After weeks of speculation, Vice President Kamala Harris, endorsed by President Joe Biden to succeed him as the Democratic presidential candidate this fall, will have a bench of new-generation party leaders to turn to when she moves toward the first critical decision of her candidacy: picking a running mate.

Vice President Kamala Harris moved swiftly to assert herself as the de facto Democratic nominee for president on Monday as virtually every potential remaining rival bowed out and a broad range of delegates endorsed her, all but clearing her path to the nomination.

MIAMI — For Democratic voters who have spent much of the summer brooding about President Joe Biden’s fitness for office, his decision Sunday not to seek reelection came as a relief. Now, they figured, their political party might stand a chance in November — though many still expressed deep doubts.

Powerful leaders of the Democratic establishment quickly embraced Vice President Kamala Harris on Sunday after President Joe Biden’s shocking exit from the race, hoping that a seamless succession could end a month of damaging chaos and transform a contest widely believed to be tipping toward Republicans.