 about 500 OPSB school and NORTA municipal busses are clearly shown drowned in flood waters in New Orleans. Mayor Nagin and  the Orleans Parish School Board had been negotiating, aparently unsuccessfully, at least since June to use OPSB buses and drivers in an emergency.
<coherence>  about 500 OPSB school and NORTA municipal busses are clearly shown drowned in flood waters in New Orleans. Mayor Nagin and  the Orleans Parish School Board had been negotiating, aparently unsuccessfully, at least since June to use OPSB buses and drivers in an emergency.
 about 500 OPSB school and NORTA municipal busses are clearly shown drowned in flood waters . the Orleans Parish School Board had been negotiating, aparently unsuccessfully, at least since June to use OPSB buses and drivers in an emergency.