Even though CalPERS is taking steps toward fixing its governance problem, officials at the $411.5 billion pension plan say the road ahead is long. California Controller Betty T. Yee, who sits on the boards of both California Public Employees' Retirement System, Sacramento, and the second-largest U.S. public pension plan, the $262.5 billion California State Teachers' Retirement System, West Sacramento, is helping drive the changes. Her duties on both boards give Ms. Yee an unobstructed view of the culture and [...]