SAN FRANCISCO -- The state Supreme Court, in a victory for gay-rights advocates, ruled unanimously today that Berkeley could withdraw a rent subsidy to a Boy Scouts affiliate at the city marina because of the scouts' no-gays-allowed policy. Although the U.S. Supreme Court ruled in 2000 that the Boy Scouts had a constitutional right to exclude gays, Berkeley is not required to provide funding to an organization that violates the city's antidiscrimination policy, the state justices said. Cities can require recipients of public money to "provide written, unambiguous assurances of compliances with a generally applicable nondiscrimination policy,'' Justice Kathryn Mickle...