David Owen is a former neuroscientist and has written extensively on hubris syndrome — an exaggerated pride, extreme self-confidence and contempt for others seen in powerful leaders. He says there is compelling evidence that the course of world history has been changed by the ill health of world leaders. His latest book, Hubris: The Road to Donald Trump, looks at how the mental and physical condition of past leaders paved the way for the narcissistic Donald Trump. Politically active from 1960, he became a Labour MP for a Plymouth constituency in 1966. He held several government posts under Wilson & Callaghan, the last as Foreign Secretary. In 1981 he was one of the ‘Gang of Four’ who left Labour to form the Social Democratic Party. He was Leader of the SDP from 1983-87 when he opposed the party’s merger with the Liberals. He finally stepped down as an MP at the 1992 general election. In the same year he became a Life Peer. Wine and soft drinks available.