In Nash v. Fidelity-Phenix Fire Ins. Co., 106 W. Va. 672, 146 S.E. 726 (1929), an allegation of error was based upon the trial judge's interrogation of the plaintiff with regard to repudiation of his confession to burning his automobile. Id. at 674, 146 S.E. at 726. The Court stated that "a judge may ask questions for the purpose of clearing up points that seem obscure, and supplying omissions which the interest of justice demands, but it is not proper that he conduct an extended examination of any witness." Nash, 106 W. Va. at 679, 146 S.E. at 728.