Are Nazis as American as apple pie?

Is the US threatened by Nazism? The short answer is no, notwithstanding the frightening events in Charlottesville, Virginia, last month.
In Charlottesville, the home of the University of Virginia, founded by Thomas Jefferson, white nationalists, separatists, neo-Nazis, members of the Ku Klux Klan, and other like-minded groups rallied behind Swastika banners and marched in a Nazi-style torchlight procession.