(March 5, 2019, 12:34 PM EST) -- SAN FRANCISCO — The opportunity for California public employees to purchase additional credits to increase their pension benefits was not a “vested right” and was properly eliminated by the Legislature in 2012, the California Supreme Court ruled March 4 (Cal Fire Local 2881, et al. v. California Public Employees’ Retirement System, No. S239958, Calif. Sup.)....