So what is wrong with US politics? The answer is a simple equation that has changed over the last 20 years.
So what is the formula? It is the individual versus the common good.
When that formula has equal representation either fighting against or working together with the other side, America flourishes.
But right now the individual is over running the common good.
Read Colin Woodard's book American Character. Here is my blog review:
https://informednotinflamed.com/best-book-ive-read-this-year-i-dont-care-when-it-was-published/