Stephen Sackur speaks to Nigel Farage, former leader of the UK Independence Party. For the foreseeable future British politics is going to be dominated by one issue - Brexit. What will our future relationship with the EU look like and how will it affect Britain's political and economic future?(Photo: Nigel Farage, leader of the UK Independence Party (UKIP), 2015, London. Credit: Rob Stothard/Getty Images)