Support WBURMeasles Outbreak Sparks Bid To Strengthen Calif. Vaccine LawPlay02:03Download AudioJenny GoldFebruary 05, 2015 ShareLeah Russin, of Palo Alto, Calif., holds her son, Leo, 16 months, as she speaks Wednesday at a news conference in support of proposed state legislation that would require parents to vaccinate all school children. (AP)