We are much closer to an authoritarian change than we have been in many decades. While I don't think Trump would actually usher in an authoritarian government, his concept of the executive branch seems to be based upon such a system.
Trumps damage would benin the area of foreign policy, and economic destruction of the nation. As a business man and as a political leader l, Trump has the most debilitating and massive deficiencies in understanding and skill this side of the 6th grade.