 BALTIMORE--BUSINESS WIRE--Sinclair Broadcast Group, Inc. Nasdaq: SBGI today announced the companys television stations collectively raised nearly 700,000 for local charities through regional back-to-school drives. Across the group, over 30 of Sinclairs television stations created local back-to-school fundraising and supply donation initiatives in their markets. From phone bank and online fundraising, to in-person stuff the bus and operation backpack drives, the stations raised nearly 