Trumpism is not new.
Since WWII the US has had a series of demagogues, several of whom came close to overthrowing the government and one who became President.
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There have been a lot of dispiriting things about the 2016 election, but as the campaign and its parade of disasters wore on, my colleague Stephen Stromberg and I found ourselves with one particularly sharp regret: that in addition to all the other great cartooning and commentary happening here at The Washington Post, we’re missing cartoonist Herbert Block take on it all. What might he have made of Donald Trump’s rise to the Republican nomination, and the Republican Party’s capitulation to a candidate who appeared to have no real investment in its stated values or the maintenance of its congressional majorities? How sharply would he have captured Trump’s use of dog whistles and his son’s flirtations with white nationalism? Washington Post
Huey Long
Father Coughlin
McCarthy 
McCarthy
Nixon 
Wallace
Nixon