O'Connor agreed with the majority in a 1984 case that a city-sponsored nativity scene did not violate the constitutional ban on government endorsement of religion.
The court said the law did not violate the state constitution's guarantee of religious freedom or aban on the use of state funds for religious institutions.
Before the change in administrations, the National Institutes of Health (NIH) requested a legal ruling about whether funding of research involving embryonic stem cells would violate the ban.
Mr. Henley says he spent several years learning to make foie gras that wouldn't violate the California ban, visiting small farms in Hungary and France that feed birds a smaller amount.
It would bar them from political activity (though a proposed ban on belonging to political parties, the opposition says, would violate their constitutional rights).
Other justices used more sweeping reasoning, saying police might violate the constitutional ban on unreasonable searches even when they obtain GPS signals without having to attach a device to a car.