Cities across the USA, including ones in Ohio, North Carolina, South Carolina and Texas, are investigating email domains listed among the millions registered to popular spouse-cheating website AshleyMadison.com. At least four North Texas cities are looking into whether their employees used municipal email accounts to sign up and three city of Cincinnati email domains were listed, according to The Cincinnati Enquirer and WFAA-TV. "We are going to pursue it," City Manager Harry Black told the Enquirer on Wednesday night. "We have some information, but not enough. I don't know if it would be a fireable offense, but we will look at our Internet-use policy."