Britain is in a long-distance relationship with reality. A ravine cuts through it, partitioning the powerful from the powerless, the vocal from the voiceless, the fortunate from those too often forgotten. This distance dictates how we identify and relate to society's biggest issues - from homelessness and poverty to policing and overrun prisons - ultimately determining how, and whether, we strive to resolve them.

So why, for generations, has a select group of people with very limited experience of social inequality been charged with discussing and debating it?