James Clark McReynolds,
Missouri ex rel. Southwestern Bell Telephone Company v…
“ It has failed to afford adequate protection either to capital or to the public. It leaves open the door to grave injustice. To give to capital embarked in public utilities the protection guaranteed by the Constitution, and to secure for the public reasonable rates, it is essential that the rate base be definite, stable, and readily ascertainable, and that the percentage to be earned on the rate base be measured by the cost, or charge, of the capital employed in the enterprise. ”
