... PG&E’s collapse has exposed the California Public Utilities Commission’s failure to hold the utility accountable on safety. The CPUC for years focused attention elsewhere, on setting rates and pushing for cleaner power. Now, the agency tasked with regulating utility safety is struggling to refocus on the issue while also grappling with its failure to prevent the state’s second electricity crisis in two decades. “The PUC is reactive,” says Janice Grau, a retired administrative law judge for the commission. Of the weather patterns that led to deadly power-line failures and blackouts, she says: “There wasn’t anyone at the PUC who...