The Brief San Jose Mayor Matt Mahan on Thursday said he was officially launching his campaign for California governor, entering a crowded race for the state’s top office. The 43-year-old Democrat is positioning himself as a moderate, highlighting his public disagreements with Democratic Party leadership on issues such as crime and his approach to addressing homelessness. San Jose Mayor Matt Mahan on Thursday said he was officially launching his campaign for California governor, entering a crowded race for the state’s top office. The 43-year-old Democrat is positioning himself as a moderate, highlighting his public disagreements with Democratic Party leadership on issues such as crime and his approach to addressing homelessness. I think that when severe addiction is leading to repeat criminal behavior, we ought to require, we ought to mandate treatment."