The Ruins of CaliforniaBy: Martha Sherrill For the Ruin family in 1970s California, as described by the precocious young Inez, life is complex. Her father, Paul, is self obsessed, intrusive, and brilliant. He's also twice divorced, leaving Inez to bounce between two worlds and embracing neither that of Paul's bohemian life in San Francisco and the more sedate world of her mother Connie, a Latin bombshell who plays tennis and attends EST seminars in the suburbs. As Inez