On Monday the Supreme Court begins three days of oral arguments concerning possible — actually, probable and various — constitutional infirmities in Obamacare. The justices have received many amicus briefs, one of which merits special attention because of the elegant scholarship and logic with which it addresses an issue that has not been as central to the debate as it should be. Hitherto, most attention has been given to whether Congress, under its constitutional power to regulate interstate commerce, may coerce individuals into engaging in commerce by buying health insurance. Now the Institute for Justice (IJ), a libertarian public interest...
