Political Divide: Mary Robinson and Michael Ignatieff

Start the Week is at BBC Radio 3's Free Thinking Festival in Gateshead to debate whether the world is becoming a more divided place. Andrew Marr discusses the state of politics with the former President of Ireland Mary Robinson and the writer-turned-politician Michael Ignatieff, while the Israeli author Amos Oz asks whether entrenched ideas have increasingly polarised debate. Producer: Katy Hickman.