hearne smylie argued decided june herman mcdevitt appellants allan shepard atty idaho allyn dingel asst atty appellees per curiam judgment reversed baker carr reynolds sims case remanded proceedings consistent views stated opinions reynolds sims cases relating state legislative apportionment decided along reynolds justice clark reverse grounds stated opinion lucas general assembly colorado justice stewart remand proceedings consistent views stated dissenting opinion lucas general assembly colorado justice harlan dissents reasons stated dissenting opinion reynolds sims hearne smylie