Nick Fraser considers the role of intellectuals in relation to world events.
The death of Brazil's Getulio Vargas
How the influential Brazilian leader took his own life rather than submit to the military
War and the French Economy from 1920 – 1940.
Capgras: the 'Illusion of Doubles'
Clincial psychologist Daniel Freeman explores cases of delusion.
Roy visits Llantrisant's medieval Guildhall, newly open as a heritage and visitor centre.
The murder of black teenager Emmett Till
How the lynching of an African-American teenager galvanised the civil rights movement.