Columbus Dispatch: Oil and gas companies are being told for the first time to give county officials and local fire departments information about the toxic chemicals drillers use to fracture shale. Ohio officials sent a memo this month notifying companies that a federal right-to-know law trumps a 2001 state law that allowed them to send the information exclusively to the Ohio Department of Natural Resources. The memo puts oil and gas companies on notice that they will have to comply with the federal requirements,...