If it feels like politicians have been talking about Brexit forever, it’s because in a way they have. From Thatcher campaigning to stay in Europe in 1975, to her ideological successors pinning their careers to getting us out in 2016, the Conservative Party has been at odds over Europe for decades. We speak to the Today programme presenter Nick Robinson, who for years as the BBC’s political editor watched the fray.

Producers: Heidi Pett and Alva White