Giles chats to the former leader of the Canadian Liberal Party and now rector of the Central European University, Michael Ignatieff, about how his family went from Russian nobles to Canadian refugees, why the Brexit debate was good for the UK's democracy and what threat populism poses to liberalism.

Giles chats to former MP and convict and now ordained chaplin, Jonathan Aitken, about the importance of diversity in politics, the power of forgiveness and how a tweet led him to become ordained.

In a Good Friday special, Giles chats to Anglican priest and pioneer of the Alpha Course Nicky Gumbel about the moment he changed from atheist to a Christian, why his father never talked about his being Jewish and doubting God after tragically losing his best friend.

Giles talks to former Governor of the Bank of England Mervyn King about why economists don't understand human nature, what caused the 2008 financial crisis and the mistake both sides made in the Brexit referendum.

Giles talks to former Chief Rabbi Jonathan Sacks about the power of community, antisemitism in the 21st century and the 72-hour bus journey across America that changed his life.

In a 'Blue Monday' special, Giles talks to economist and happiness expert Richard Layard about his journey from the humanities to science, why individualism is making us depressed and how we can be more happy.

Giles talks to Margaret Thatcher's biographer and former Telegraph editor Charles Moore about becoming a Catholic, how the BBC licence fee is dividing 'somewheres' and 'anywheres' and why he's never liked the Conservative Party.

Giles talks to historian and former Supreme Court Justice Jonathan Sumption about leaving academia behind for a career in law, the problem with human rights and the art of persuasion.

Giles talks to Professor of Political Economy Helen Thompson about not fitting in at Warwick University Labour Club, why Margaret Thatcher would have voted Leave and what to look out for in politics in 2020.

In a Christmas special, Giles chats to novelist Susan Hill about writing ghost stories, the coffin maker who taught her how to whistle and losing her 5-week-old daughter.