It strikes me that American politics, philosophically, is stuck in the 18th century. John Stuart Mill’s lecture On Liberty seems to have passed so many people by when one reads the on-line opinions that pass for debates.
If John Stuart Mill, did not give enough direction to the thought processes of what makes a liberal state, it was 20th century philosopher Karl Popper that explained the paradox which must always exist in a democratic society.
Charlottesville and the Trump reaction are best understood by the simple cartoon infographic here.
And yes it has to be this simple.