Today show host Savannah Guthrie made an emotional appeal to viewers on Tuesday to come forward with any information about her missing mother, a day after news organisations said a ransom note received months ago had indicated that she was dead.“We are in agony, and we cannot be at peace … We love our mum. We’ll never stop looking for her,” Guthrie said at the Today desk in New York, holding a tissue in her left hand.Nancy Guthrie, 84, who lived alone, was reported missing from her Tucson-area...