Texas Municipal Retirement System, Austin, will hire R.V. Kuhns as its first general investment consultant, pending contract negotiations, confirmed spokesman Bill Wallace. The $13.1 billion funds board had originally selected Ennis Knupp, but issues arose during contract negotiations, Mr. Wallace said. He declined to elaborate, and Ennis Knupp spokeswoman Harmony Watling did not return a call seeking further details. The system issued an RFI earlier this year.