WITNESS LIST HB  481 Senate Committee Report Transportation & Homeland Security April  18, 2007 - 7:30 AM Registering, but not testifying: For: Elkin, W. M. "Bill"  Executive Director  (Houston Police Retired Officers Association & Texas Municpal Police Association),  Houston, TX On: Davio, Rebecca  Director, Vehicle Titles & Registration  (Texas Department of Transportation),  Austin, TX