this quote is often mistakenly attributed to demagogue huey long; sometimes sinclair lewis (who wrote at least two similar passages) -
“When and if fascism comes to America it will not be labeled ‘made in Germany’; it will not be marked with a swastika; it will not even be called fascism; it will be called, of course, ‘Americanism'” – An uncredited New York Times reporter covering Halford E. Luccock in an article published September 12, 1938.