Public pension plans struggle to meet financing obligations

Low interest rates are one of several factors that contribute to higher levels of unfunded pension obligations in state and county pension plans across the country.The California Public Employees Retirement System (CalPERS), the largest public pension plan in the U.S. With a total of 1.8 million members covered by 3,000 employers, reported a net return on investments of 0.6 percent for the 12-mont...