Responses to the April edition

Are you smart enough to crack the enigma?

Plus what the Nobel Prize-winner makes of Joe Biden and Bernie Sanders

His best present was a Playmobil castle, his worst a toy Batmobile

There's a widespread assumption that the Soviet Union had no alternative to ending the Cold War in the way they did. But that's wrong, says the Oxford historian

Plus what happened to the Arab Spring

Plus what it takes to master a new language

Prospect convened a roundtable of experts to discuss the importance of finalising an ambitious, conservation-oriented High Seas Treaty in 2020

The French economist of inequality offers his views on Brexit, the wealth tax—and who he thinks will really beat Trump

Tracking an evolving industry—and how to improve pension savings across the board