You know how "fascism", as a word, has degenerated into a catchall term for people or groups who are too controlling?
Well I try to use the term as strictly as possible, almost to the point of never using it. It refers to a very specific social movement with very specific social circumstances and consequences. So I say with some sadness that Trump's movement seems to have the hallmarks of fascism.
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To be clear as possible: 20th century fascism consisted mainly of populist movements that seeked to have a "national rebirth" of sorts, usually to ward off some perceived threat in the form of some "other" trying to destroy "civilized people". This threat could have been communists, Jews, or even other competing nations. The national rebirth sought usually was along class, racial, ethnic, or religious lines, but usually a combination.
Anyway, people are motivated by fear, distrust, and distress to seek comfort in a powerful leader or state which can protect them from the outside threat (or weed out "the other" in their mist. The result, inevitably, (usually with the help of violent gangs, strong corporate-state partnership, and suppression of civil liberties) is a dictatorial state. It is through fear and desperation that the people use a democratic process to destroy democracy.
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There are so many similarities with this campaign (the result of many historical threads, of course). You have a demagogue using, not reason, but the prejudices and fears of the people to gain support (Trump's continuous racism against "Mexicans", and recent call to have a "database for Muslims", are illustrative). Many Americans (forget the rest of the western world for now) are fearful of the threat of terrorism and ISIS... and the more irrational are plagued by longstanding racism (again, that "other" being a threat). We are just now slowly raising out of an economic slump (an anemic recovery to be sure), and people are constantly looking for people to blame.
The increasing boldness of racist violence in the US (which I do not believe is merely coincidental) is also troubling. It is for these reasons why the Trump campaign strikes me quite clearly as fascist (in the very strict sense I tried to lay out above) movement. Don't forget "Make America Great Again"... a perfect national rebirth.
Now, I do not mean to suggest that Hitler 2 is imminent. That would be silly. However, it is important to see these kinds of things pop up and be aware: democracy is very fragile... and fear and suspicion does not help it along.
Certainly the fact that Trump still maintains the lead in GOP polls (over a quarter, I think, as of writing) is an indictment of America. Sure, there are other popular stars currently (Sanders is the most obvious example, if unlikely to be nominated)... but that an openly racist egomaniac, with no political experience and nothing coming close to a rational policy position (deport 11 million illegals... defeat ISIS with "I'm not telling how" plan, etc.), can be taken seriously for this long?
That does make me afraid.