Novel imitating life. From Wikipedia:
It Can’t Happen Here is a semi-satirical 1935 political novel by American author Sinclair Lewis, and a 1936 play adapted from the novel by Lewis and John C. Moffitt. Published during the rise of fascism in Europe, the novel describes the rise of Berzelius “Buzz” Windrip, a politician who defeats Franklin Delano Roosevelt and is elected President of the United States, after fomenting fear and promising drastic economic and social reforms while promoting a return to patriotism and “traditional” values. After his election, Windrip takes complete control of the government and imposes aplutocratic/totalitarian rule with the help of a ruthless paramilitary force, in the manner of Adolf Hitler and the SS.