In the summer of 1976, the world was a different place.

In Ireland and Britain, it was a summer of a heatwave. But were there cultural and political changes brought about by the long hot summer of 1976? 

On Free State today John Williams, author of a new book Heatwave - the Summer of 1976, Britain at Boiling Point, is our guest. John tells us how that summer changed a country and how the heatwave brought people to the brink in ways nobody could have imagined.

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