Death Penalty Voted For Contractor's SlayerBAY ST. LOUIS, Miss. Uft-Judg#Leslie Grant sentenced Mack 0* Lewis, a 21-year-old Buffalo, N. Y.t Negro, to die in the electric chair Nov. 20 for the murder of a New Orleans contractor.A Hancock County jury deliberated 30 minutes last night before convicting Lewis for the April* 1933 murder of Kenneth Mason.Lewis* attorney, William Stewart, said he would appeal on the grounds that Lewis was extradited from Virginia to Louisiana* not Mia* sissipi.