Ezra, Matt and Sarah use the Panama Papers to discuss how tax havens and shell corporations became such a big deal, and why America has done so little to stop them. Matt and Ezra argue a bit about the effectiveness of global governance. Economist Gabriel Zucman gets name-checked quite a bit. Sarah runs through some really surprising new Obamacare data (Medicaid fans — you know who you are — won't want to miss this!). Today’s episode is brought to you by The Great Courses Plus. Visit TheGreatCoursesPlus.com/Weeds to stream Inexplicable Universe: Unsolved Mysteries and hundreds of other courses for free!This episode is also brought to you by Re:Dream, a documentary series on Youtube taking a look at the idea of the American Dream. Watch the videos, find local events, and join the conversation at ReDreamProject.org.