California primaries test top-two dynamics as governor race looms

California voters head to a crowded top-two primary to decide a new governor from 61 candidates and to select U.S. House contenders under a newly approved map, with a busy Los Angeles mayoral race also on the ballot; the dynamics risk vote-splitting that could allow two Republicans into the governor general, while results depend on how mail and in-person votes are counted under the AP’s cautious calling process.