Godwin's law (or Godwin's rule of Hitler analogies) is an Internet adage that asserts that "As an online discussion grows longer, the probability of a comparison involving Hitler approaches 1."—that is, if an online discussion (regardless of topic or scope) goes on long enough, sooner or later someone will compare someone or something to Hitler or his deeds. - Wikipedia
American attorney and author Mike Godwin has given the internet permission to compare the white supremacists who marched in Charlottesville, Virginia to Nazis.
In a tweet send late Sunday night, Godwin stated the following:
When Mike Godwin calls you a Nazi, you are most definitely a goddamn Nazi.