By Tom Loftus, includes "But some experts say that such a move may damage the retirement security of public employees and reduce the ability of state and local governments to attract and retain good workers - with little or no savings for the state. ... J.P. Aubry, associate director of state and local research at the Center for Retirement Research at Boston College ...  "We want to encourage retirement security, and the current model for retirement in the private sector has made retirement more precarious." ..."