The current political polarization in the USA is not a "threat" to "our democracy." Instead, democracy as we know it is the prime reason for the polarization.
Moscow has used naturalization and immigration to effect demographic change and encourage conflict between ethnic groups in neighboring states. It has proven to be an effective foreign policy tool.
The standard line with progressives is that unless government controls medical care, prices will skyrocket. But what if the free market model costs less than government-directed care?
To no one's surprise, governments that interfere with their economies at every turn are at war with each other. Perhaps there is another path to peace.
The "experts" solemnly tell us that deflation is even worse than inflation, and that deflation always will lead an economy into recession. The truth turns such "wisdom" upside down.
We are told that economic growth goes along with liberal democracy. But social institutions play an important role that transcends the political order.