Seventy-five years ago Friday, voters ratified the 21st Amendment to the U.S. Constitution and officially ended Prohibition -- a 13-year experiment as a "dry" country.

What does that mean today -- other than the legal distribution, manufacture and sale of alcoholic beverages? The introduction of Prohibition and its eventual repeal show that the Constitution is, as it was intended to be, a malleable document that can be modified when the public demands it.

"The...