A bill winding its way through Sacramento right now would make some of the biggest changes in decades to the California Public Records Act — the 58-year-old state law that guarantees everyone has access to government documents and data. Proponents argue AB 1821 is necessary to help local governments weather a deluge of burdensome requests that have swamped cities and other local agencies. But the changes it proposes have alarmed First Amendment groups , many news organizations , and government