A state assemblywoman accused of shoplifting at a Neiman Marcus store in San Francisco's Union Square pleaded no contest Friday to a misdemeanor charge and her attorney said a benign brain tumor might have led to the incident. Assemblywoman Mary Hayashi, D-Hayward, initially pleaded not guilty to a felony grand theft charge after her arrest on Oct. 25 at the store at 150 Stockton St. and was ...