In its Citizens United ruling, the Supreme Court held that Americans do not forfeit their First Amendment rights when they join together to form businesses. This hardly remarkable conclusion produced howls of indignation among Democrats, who summarily denounced both the justices and the “corporations,†about which they are inclined to whisper darkly. Now the president is contemplating the imposition of free-speech restrictions through executive fiat. Democrats’ main response to Citizens United was the DISCLOSE Act (if you must know and can stomach it, that’s the Democracy Is Strengthened by Casting Light On Spending in Elections Act) which, among other things,...