‘This will not end well’: Far-right extremism expert warns of Trump’s intensifying authoritarianism
President Donald J. Trump salutes U.S. Army Maj. Gen. Michael L. Howard. (DoD Photo by U.S. Army Sgt. James K. McCann)

An expert on the far-right in America warned of President Donald Trump's "genuinely dangerous levels" of authoritarianism on Saturday.

Author David Neiwert posted a long Twitter thread on the commander-in-chief's "Social Dominance Orientation" -- and warned it will not end well.

Neiwert is the author of the 2017 book Alt-America: The Rise of the Radical Right in the Age of Trump.

Here is the thread he posted: