In the light-filled atrium of the Ed Roberts Campus in Berkeley, nearly 200 people gathered for a town hall meeting assembled by the California Nurses Association (CNA). Over half of the attendees were outfitted in red scrub tops and t-shirts that distinguished them as nurses’ union members, but all were there to rally against the closure of the Alta Bates Campus in Berkeley. Sutter Health, which runs the campus as part of its Alta Bates Summit Medical Center based in Oakland,…