Republicans now hold just seven seats in the state’s 53-member congressional delegation after what shaped up to be a devastating midterm for the party. (That number will drop to six if Representative David Valadao, a Central Valley Republican, loses to T.J. Cox in the one still undecided district, as now appears likely).

Democrats captured three-quarters of the seats in the State Assembly, the biggest margin in over 100 years. The governor, lieutenant governor, both United States senators, the attorney general and the secretary of state are all Democrats. As of September, there were fewer registered Republican voters in California than Democrats or independents…

The Election Day losses are being described by Republicans in cataclysmic terms. They have set off an anguished debate about what the party stands for, how to get back into the political game, and how strongly to stick by Mr. Trump.