There’s great progress being made in three large American industries, but to see this progress, you’ve got to look beyond the whining of the people who are being hurt by the changes. Exhibit one is the newspaper industry, which has suffered from the migration of advertising from the printed page to the Internet. This is a centuries-old industry, which we all know and understand, and for many people, the mere thought of losing their daily paper is traumatic. But that’s only because they can’t see a better alternative. Supplying the vision for us, in last Thursday’s Wall Street Journal,...