Waking up 18 months ago to discover Donald Trump had been elected US president filled me with despair. What on earth had happened to politics? How could a reality TV star with no experience of government – and multiple character flaws to boot – have been chosen by American voters to be their leader? My 13-year-old daughter was also deeply troubled. “How could America vote for a man who said these things about women?” I didn’t know what to say. She went off to school. And I went off to a dance studio to practise a Gangnam Style salsa for...