A consumer whose potential recovery in a lawsuit is large enough for her to pursue her claim on her own is not barred from litigating the matter as a class action, a federal judge has held.In a written opinion last week, U.S. District Judge Elaine Bucklo certified a class of plaintiffs in a suit accusing ContextMedia Inc. of violating the Telephone Consumer Protection Act by transmitting text messages to unwilling recipients.ContextMedia, a Chicago-based medical-advertising business, changed its name to Outcome Health last …