Donald Trump is a bullshitter. There's a critical difference and, if you treat Trump as a liar rather than a bullshitter, you're not going to hit him where he lives.
On Bullshit by Harry G. Frankfurt
Princeton, NJ: Princeton Univ Press, 2005
ISBN 0-691-12294-6
(54-54) This is the crux of the distinction between him [the bullshitter] and the liar. Both he and the liar represent themselves falsely as endeavoring to communicate the truth. The success of each depends upon deceiving us about that. But the fact about himself that the liar hides is that he is attempting to lead us away from a correct apprehension of reality; we are not to know that he wants us to believe something he supposes to be false. The fact about himself that the bullshitter hides, on the other hand, is that the truth-values of his statements are of no central interest to him; what we are not to understand is that his intention is neither to report the truth nor to conceal it. This does not mean that his speech is anarchically impulsive, but that the motive guiding and controlling it is unconcerned with how the things about which he speaks truly are.
It is impossible for someone to lie unless he thinks he knows the truth. Producing bullshit requires no such conviction.
(63) Bullshit is unavoidable whenever circumstances require someone to talk without knowing what he is talking about.
People, wake up. Trump's spent his life as a real estate salesman. What else could he be?
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This is exactly the same diary I wrote about Mitt Romney on January 23, 2013: www.dailykos.com/...
All I’ve done is change “Romney” to “Trump” and “consultant” to “real estate salesman.” I could write this diary using the names of any of the Repugnant candidates for President too but that’s probably obvious. Bullshit has become the standard operating procedure of the Repugnant Party and I expect, if I survive the next four years, that I will have to republish this diary once again.