Mark Braund has a good blog on the renegade economist website. Mark is a journalist and author of the Possibility of Progress. He gives a rounded account of the fundamental economic changes need are so desperately needed.
“While unearned wealth is both a symptom and a driver of economic injustice, the objective of transformative social change is not to soak the rich, but to create an environment in which economic opportunities are more widely distributed among the population.”
This must include changes in the incidence of taxation.