We discussed intellectual vices, service with a smile 😃and "performing" at work and whether our guests were glass half full or empty people 🥃in Free Thinking @BBCRadio4 w/ @annemcelvoy @QCassam @M_Heffernan @IsabelOakeshott @JasiBP @RichardEvans36 🎧➡️ bbc.co.uk/programmes/p0hzcd9…