Amanda Foreman talks about her biography of Georgina, Duchess of Devonshire.
Lenny Henry unveils the mysterious contents of Andy Warhol's Time Capsules.
The wit of Art Buchwald, a political satirist for the Washington Post.
Dan Saladino meets influential US chef Dan Barber, in the UK on a food 'waste' mission.
Profiles of politicians Colin Powell and "Mickey" Leland (1944-1989)
The possible entrance of Colin Powell and Ross Perot in to the race for the presidency.
President Theodore Roosevelt's attempt to unite America under the English language.
How broad is the public appeal of Colin Powell, and could he be a presidential candidate?
A tribute to director, theatre producer and playwright George Abbott (1887-1995).
A comparison of prominent first ladies.
Judd Apatow talks about his new film This is 40.
What can the ideas of two long-dead geopolitical thinkers tell us about the world today?
Ken Livingstone discusses his hero, US politician Robert Kennedy.
Steven Spielberg and Tom Hanks speak to Simon Mayo and Mark Kermode.
Director Steven Spielberg returns to the show and talks to Simon and Mark about his new film Lincoln, nominated for 12 Oscars.
Mark Lawson talks to Steven Spielberg about his version of War Horse.
Self-confessed introvert Susan Cain delves deep into this complex personality trait.
Chris Anderson talks to the writer Susan Cain about the power of the introvert
Documentary, featuring Angelina Jolie, exploring an extraordinary life of a US war hero.
Chris Anderson talks to life-hack master Tim Ferris about his own life challenges.
Life-hack master Tim Ferriss on his Stoic philosophy, and new passion for psychedelics.
Stanley Tucci introduces a series about the men and women who built modern California.