“International free trade has indeed increased wealth inequality and reduced wages for the majority of Americans.”
It has absolutely not increased wealth inequality if you look at it globally. The wealth disparity between Americans and Europeans, Japanese, Koreans and Chinese used to be enormous. With the advent of globalization the disparity is much less today.
Apples and oranges.
It increases disparity and reduced wages for Americans within the US labour market.
It reduces disparity by sending formerly high paying jobs over to third world countries, marginally increasing their average wage and wealth while reducing our own.