[A]ny broad unlimited power to hold laws unconstitutional because they offend what this Court conceives to be the ‘conscience of our people’ ... was … - Hugo Black

The layman's Constitutional view is that what he likes is Constitutional and that which he doesn't like is un-Constitutional. That about measures up the Constitutional acumen of the average person.

The liberty of every American citizen freely to come and to go must frequently, in the face of sudden danger, be temporarily limited or suspended. The civil authorities must often resort to the expedient of excluding citizens temporarily from a locality.

In revealing the workings of government that led to the Vietnam War, the newspapers nobly did precisely that which the Founders hoped and trusted they would do.