Billy Bragg joins me to discuss music’s changing cultural role, as well as the charge of being a “champagne socialist”, the importance of Grime, and the challenge of inspiring people to make change.

Author and anthropologist Jason Hickel joins me to explain how a handful of rich countries have been able to control economic policies in the rest of the world; why we’re being lied to about poverty; and the radical revolution required to stop the global inequality machine.

Environmentalist and former Vice President Al Gore joins me to discuss his new film “An Inconvenient Sequel: Truth to Power”, his feelings about Donald Trump, the corruption of big money, and the future for renewable energy.

Dr Robin Carhart-Harris (Head of Psychedelic Research at Imperial College London) discusses unlocking the unconscious, the potential therapeutic uses of psychedelic drugs, and why research into their benefits has been shut down for over 40 years.

Author, professor, priest and former atheist Alister McGrath and I discuss the rationality of religious belief, the war between science and religion, and whether faith is still destined to play a central role in the 21st century.

Author of “Selfie” Will Storr and I discuss where the ideal of the perfect self came from, why it is so powerful and whether there is any way to break its dangerous spell.

Frankie Boyle and I discuss media censorship, the virtues of nihilism, and the effects of fatherhood on life as a comedian.

As Naomi Klein discusses her new book with me she explains how the groundwork laid by Bill Clinton and Bill Gates led to Donald Trump’s presidency; the political shock tactics being used to force through destructive policies; and how resistance and imagination can lead to radical change.

Leading meditation teacher Sharon Salzberg explains why we find it so hard to be in our own mind, why we have a habit to always go to the negative, and how meditation can transform society.

This week philosopher Simon Critchley enlightens us to the roots of philosophy, as well as topics including football as ‘working class ballet’, what constitutes a 'good death’, and the relevance and importance of philosophy in these times.