How do you say 'global consensus' with a straight face?

The G20 was simultaneously a grand success and a disappointing failure, and the key, according to Mark Barnes and Tim Cohen, is that there is an insufficient intersection of priorities and a lack of common purpose.Whose fault is that? What does it mean? Why is that happening now? These are all questions we discuss, along with the joys of public transportation and the surprising utility and value of art. Listen Up!