Buried down at the bottom:
> ...countries that have strong labor support policies (like strong social safety nets) are generally much better able to garner the benefit from international trade without suffering social and political costs from it.
The US was absolutely wealthier due to free trade, but the idea of equitably distributing that wealth, supporting those who were disadvantaged by free trade, is so abhorrent to the ruling class that it's not even considered as the obvious solution here.
Nope, we just have to throw free trade in the dumpster, surely that will solve our problem of the weak being systematically exploited by the strong.