Understand

The US Election: 3. The TV Debates

Justin Webb and guests reach episode 3 of this guide to how the US elections are run, with a look at the historical and contemporary importance of the TV debates.

NEW in Understand - The TripThe story of psychedelics. It's a unique moment. After decades of taboo and blanket illegality, policymakers and research institutions are taking these substances seriously. As a new dawn of psychedelic treatment beckons, Tim Hayward makes a personal journey into how we got here and where this is all heading.
 
Understand from BBC Radio 4 - unravelling the complexities of the biggest stories and subjects that really matter right now.