SACRAMENTO — Soon after taking office in January 2003, state Controller Steve Westly began helping three venture capital firms land multimillion-dollar investments from California's giant pension system, according to public records including e-mails and officials' calendars. Westly, now running for the Democratic gubernatorial nomination, received campaign donations from individuals associated with each of the funds, campaign finance records show. At any given time, hundreds of fund managers are angling for CalPERS investments. Westly is one of 13 members of the California Public Employees' Retirement System board, and as the state's chief financial officer, one of the most influential. The funds...