OKLAHOMA CITY (AP) — State legislators are learning that changes to Oklahoma's retirement systems for public safety employees, teachers and state workers won't come without some resistance. Groups representing firefighters, teachers, state workers and others testified Wednesday to members of a Senate Pension Committee who are exploring possible changes to the state's retirement programs. Among the top priorities for some Republicans next year is a push to end the traditional pension for newly hired state workers. The governor and GOP leaders in the House and Senate are pushing for a switch to a 401(k)-style retirement account, along with a consolidation of the administration for several of the pension systems. The groups representing both teachers and firefighters on Wednesday expressed opposition to both of those proposals.