Commerce Clause Sola Scriptura Confusion Rant

Some of the kinds of 'structural' political backwardnesses of which I have been critical, and which have gotten the US into an overwhelming lot of trouble since WW II, have to do with Constitutional provisions, such for example as the Commerce Clause, and the gymnastics which those, such as Roosevelt, faced from the Judiciary mainly, even with broad popular support, trying to implement national industrial policy.