Bob Raines, a former superintendent of the Shoreline Unified School District, began serving a 210-day sentence in July for molesting a child at district offices. Mr. Raines, 72, was convicted of engaging in lewd conduct in 2023. He was arrested at his Petaluma home in 2021 and charged with a felony, but the Marin District Attorney’s Office later dropped the charge to a misdemeanor. The lower charge did not require proving that he had touched…