OPINION — AG — UNDER 70 O.S. 1976 Supp. 5-136, [70-5-136], A BOARD OF EDUCATION OF A SCHOOL DISTRICT IS AUTHORIZED TO FURNISH TRANSPORTATION MAY PURCHASE LIABILITY INSURANCE FOR EMPLOYEE DRIVERS OF THE SCHOOL BUSES OF THE DISTRICT. CITE: OPINION NO. 67-200, 11 O.S. 1971 16.1 [11-16.1], OPINION NO. 76-154 (R. THOMAS LAY)