Manhattan Beach resident Jennifer Levi joined city, county, and state leaders on Monday to call for tougher California DUI laws after her 18-year-old son, Braun Levi, was killed by an alleged drunk driver earlier this year. “California’s current DUI laws are broken and weak and fail to protect families like ours, and it’s devastating,” Levi said at Monday’s news conference. Braun, a Loyola High School tennis star, was struck and killed while walking along Sepulveda Boulevard in Manhattan Beach,