Calpers calls for meeting with BP

BP Oil Spill
By JOANN S. LUBLIN And GUY CHAZAN Anger at BP PLC's handling of the Gulf oil spill is prompting one of its largest U.S. shareholders to call for changes on the company's board. The California Public Employees' Retirement System, the biggest U.S. public pension fund, is conferring with BP officials next Wednesday amid criticism from some institutional investors that the board's...