"The Fort Worth City Council started the clock ticking Tuesday on major changes to the city's pension plan that would reduce benefits for police and general employees, but potentially bring the city's retirement funding gap into check. The Fort Worth Police Officers Association put up its own proposal, offering to increase its members' contributions to the plan in exchange for retaining key components of the retirement pay formula.... The changes would reduce benefits for future service, but not benefits already accrued, which are protected by state law."