A Michael Caine moment; a moment to say, “not a lot of people know that.” Well, more accurately, neither I, nor anyone else in the room knew, today is the International Day of Happiness. It was Facebook page of the 1970s BBC children’s television programme The Clangers’ that brought this information into our house (The Clangers have been a firm favourite since the 1970s; their 1974 general election special was an extraordinary piece of insight into the difference between democratic politics and consensus politics).

Lest the International Day of …