Yet not enough of us are even aware of the problem. And almost everyone who matters in the western world – in politics, the media, law enforcement – has decided it’s best to keep us unaware. After reading my book, the novelist Martin Amis asked Tony Blair whether its demographic thesis was part of the political conversation during his meetings with European leaders. Well, said Tone, it’s part of “the subterranean conversation”. And that’s how they intend to keep it.