Paul Krugman says Donald Trump is right to question supply-side orthodoxy about taxation of the wealthy. And Krugman says it's a myth that cutting those taxes helps the economy.

Lots of great stuff in today's episode: even Keynesian researchers disagree with Krugman; it's not true that the job creation numbers under Obama are better than in the 1980s; and how Krugman can claim to be right no matter what happens.