Mary Beard and her guests at the Hay Festival - Simon Schama, David Olusoga and Ella Whelan - discuss what is ‘unsayable’ in today’s society.

The Carry On films and Alf Garnett’s racism now feel like comedy from another age. Now that we are laughing at very different themes, such as female promiscuity and grief, what does today’s comedy say about our changing taboos?

A new exhibition explores centuries of art which have promoted stereotypes of anti-Semitism. Does digging into the history of prejudice help us decide what to do about it?

And while social networks provide forums for conversation and debate, online abuse is rife. Have social media enhanced that debate or are they to blame for debasing it? Show less