Senate Race in California Reflects Fight for Democrats’ Future

Until recently, the Bay Area has dominated the state’s politics, producing some of its most marquee figures, including Ms. Feinstein, Ms. Harris, the former House Speaker Nancy Pelosi and Gov. Gavin Newsom. Ms. Porter’s district is in Orange County, and Mr. Schiff represents a northern slice of Los Angeles. Given California’s demographic shifts, some Democrats believe the state’s next senator should also capture its growing racial and ethnic diversity.

It is not the first time that California has been at a similar inflection point. When Ms. Feinstein first ran, in 1992, women were outraged at the treatment of Anita Hill during the confirmation hearings for Justice Clarence Thomas. Four women won Senate seats that year in a watershed moment for American politics, and California became the first state in the nation to be represented by two female senators.

Nearly three decades later, after the 2020 presidential election, women’s groups and Black leaders lobbied Gov. Gavin Newsom of California to choose a Black woman to fill the seat vacated by Kamala Harris, who had been the only Black woman in the upper chamber until she was elected as vice president. Mr. Newsom ultimately named Senator Alex Padilla, the state’s first Latino senator and its secretary of state at the time. But Mr. Newsom pledged to choose a Black woman to fill Ms. Feinstein’s seat should she retire before her term ended.

The former Senator Barbara Boxer, who won the 1992 election along with Ms. Feinstein and served in the upper chamber until she chose not to seek re-election in 2016, played up the highly qualified bench of candidates and said they would all have the chance to make their cases. Ms. Boxer was still weighing her endorsement, but she said she believed the moment called for a strong progressive unafraid “to fight some of the forces that have been unleashed by Donald Trump.”

“We are in one of those moments in history where we need the toughest leaders and those who are really not fearful,” she said.

Even before Ms. Feinstein announced her plans to step away after her term ends in January 2025, California political strategists and observers had begun to debate just who that progressive might be. This month, former House Speaker Nancy Pelosi and 14 other members of the California delegation said they would endorse Mr. Schiff if Ms. Feinstein chose to retire.

There was not much surprise at Ms. Pelosi’s endorsement of Mr. Schiff, a loyal lieutenant whom she elevated to some of the toughest jobs in Congress. But Ms. Pelosi rarely weighs in on Democrat-on-Democrat races, and the timing was unusual because the election is not until November 2024. Asked why she believed it was important to endorse Mr. Schiff early, Ms. Pelosi said she believed he would make “a fabulous senator.”