Polly Toynbee has one answer:
What happened this week accelerates the need for a Turner-type inquiry into tax. Choices need to be aired so people can understand and support a fairer system where the poorest no longer pay a higher proportion than the rich. This much Gordon Brown owes to those he disappointed this week.
Her point is vital: we have to re-establish the importance of progressive taxation. Without it the future of society looks very bleak indeed.