Pension liabilities are just a right wing talking point, which shifted from "budget deficits" when California started running huge surpluses and rainy day budgets
Pension liabilities and the government mismanagement surrounding the fund was a claim charged at the State of New Jersey from the left while Republican Governors Christine Todd Whitman and Donald DiFrancesco ran the state.
Then again with Jim McGreevey (Democrat) from the right.
It's a very bipartisan issue and both parties have fucked it all to hell.