For those who consider themselves traditional liberals (full disclosure: such as me) Sunday’s first episode of Simon Schama’s History of Now may have felt like a somewhat dismaying exercise in nostalgia. As Schama ran through a familiar anthology of 20th-century liberalism’s greatest hits, we were taken back to a happier, more recognisable world of clearly demarcated goodies and baddies where democracy would inevitably mean the triumph of our own beliefs and there was little that couldn’t be fixed by art ‘speaking truth to power’.