Paul confronted Peter because Peter was being the hypocrite. That action has nothing to say about the relative authority of James or Peter, just the sin of Peter. Why involve James if the problem gets fixed with a direct communication?
I have always been curious about his incident which raises a question: What would happen today if a Cardinal were to publicly dress-down the Pope like Paul did Peter?
Do you think that Paul mentions that these people came from James for no reason?
>> I have always been curious about his incident which raises a question: What would happen today if a Cardinal were to publicly dress-down the Pope like Paul did Peter? <<
Have you been living in a cave lately?