Matthew Sweet is joined by former Labour strategist Alastair Campbell, epidemiologist and advocate for a healthy gut Tim Spector, journalist Michael Goldfarb, and Dr Luke Evans to consider the role our guts play in matters of politics, culture and beyond. Art historian and biographer Frances Spalding offers her verdict on a new ballet from Wayne McGregor, Woolf Works. And ahead of receiving an honorary Palme D'Or at Cannes this year, octogenarian Agnes Varda discusses her double life as celebrated filmmaker and artist.