[F]or both the pragmatic... and... moral reasons... liberalism became the dominant doctrine of the 20th century, and should... continue to be defende… - Francis Fukuyama

[T]herefore tolerance of diversity, of people that don't believe the same thing that you do, has always been at the core of this pragmatic project to enable diverse populations to live with one another.

The polarization has a number of different roots. The economic... fact that many working class voters have been left behind by the prosperity of globalization. ...[T]he more important division is a cultural one ...the feeling on the part of many populist voters, that they are not being respected by the elites that are running the country... [H]ere, all of the identity issues... play themselves out.

The Left’s identity politics poses a threat to free speech and to the kind of rational discourse needed to sustain a democracy... The focus on lived experience by identity groups prioritizes the emotional world of the inner self over the rational examination of issues in the outside world and privileges sincerely held opinions over a process of reasoned deliberation that may force one to abandon prior opinions.