The relevant sentence in the article is:
The discussion comes as state leaders consider a shift from a pension program to a defined-benefit system.This makes no sense. The current pension program is a defined benefit system.
Just to be clear:
A defined benefit retirement plan is a plan where the beneficiary is promised a specific financial benefit based on some formula of years served and contributions made into the plan. A pension plan is an example of a defined benefit plan.
A defined contribution plan is a plan where the beneficiary pays into the plan and gets a financial benefit that depends entirely on how well his/her contributions have grown in value. A 401k plan is an example of a defined contribution plan.
Thanks to Ron for the link.