USA vs Google antitrust: too late, too soon, just political, or just missing the point?

This week the U.S. government filed suit against Google. Smart move, or just politics? And, which member of big tech -- Amazon, Facebook, Apple -- is next?

Google is a behemoth. It owns search in English and many other languages and, with Facebook, dominates digital advertising. But is it a monopoly? And should the government have filed antitrust charges?