Customers in Tennessee have filed a class action lawsuit against Household Finance and several of its executives in a case that involves alleged violations of a federal law designed to prevent racketeering. The stakes in the case, Suddarth v. Household, filed in the U.S. District Court for the Middle District of Tennessee, are potentially high. Attorneys for lead plaintiffs Billy and Angela Suddarth have asked the court to certify a class that would include…