The plan calls for a shift from 42 distinct pension plans into one universal scheme. The new system will be based on the principle of giving each pensioner the same rights for each euro they pay in.
The AARP has filed a lawsuit on behalf of workers at a defunct Catholic hospital in upstate New York, saying hundreds lost their pensions unfairly. And there are similar cases around the country.
The decision is a major victory for state employees, as well as for state Attorney General Andy Beshear as he runs to unseat Gov. Matt Bevin, who championed the controversial law.
A fund guaranteeing health coverage and pensions to retired mine workers is about to run dry. Congress has been reluctant to pick up the tab. Democrats from coal country say it's time to act.