The Democrats who run California love “transitioning” kids, including chemically and surgically sterilizing them. But a courageous group of residents is betting California voters are less radical than their politicians and that the tide can turn against gender ideology even on the West Coast.

A proposed ballot initiative by Protect Kids California would put the Golden State’s radical “trans kids” agenda — which has previously been checked only by Gov. Gavin Newsom’s presidential ambition — before the people.

The initiative would enact three policies. First, it would end the practice of government schools socially transitioning children without telling parents. Schools would be required to inform parents about mental health issues, including gender-identity issues, and to have parental permission before pretending a boy is a girl, or vice versa.

Second, the law would require that sex-specific spaces and sports be based on sex, rather than self-declared “gender identity.” Boys would no longer be allowed to participate in girls’ sports or share the girls’ locker room, showers, and other private spaces.

Finally, the law would prohibit medically transitioning children with chemicals, hormones, and surgeries in an impossible quest to change a child’s sex. Chemically castrating boys and........

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