It’s not just in the USA. Conservative parties all over the world are dying because they have betrayed their nations and conserved absolutely nothing of value:
However, the death of the conservative parties is just the harbinger for the main event, which is the death of Western liberal democracy itself. The only question is if the global elites will somehow manage to hold on to power once their vehicle fails, or, as is much more likely, the new model nationalists will replace them in the West as they have already done in Russia, China, and elsewhere.
