Op-ed by Fiona Ma, includes “As the state treasurer of California, I serve as an ex-officio member of the California Public Employees' Retirement System's board. It is my fiduciary duty to ensure retirement security for our 2 million active and retired members. … I believe that CalPERS' new ‘toward a 7% solution’ investment strategy based on ‘better assets’ and ‘more assets’ could go a long way toward securing the benefits that California public employees depend upon now and in the future, while protecting California's taxpayers.”