'At the former Prime Minister’s side throughout was a rake-thin and bespectacled black man whom Blair was conspicuously keen to introduce to the assembled movers and shakers. Not surprising, perhaps, given that the event — at which Mr Blair was officially the chairman — was arranged in sole honour of Paul Kagame, the president of the African state of Rwanda.

And this being Mr Blair, the subject on his lips throughout the stylish meeting, held during the World Economic Forum in Davos, was cold, hard cash. Or, more to the point, how much he could persuade the super-rich investment bankers to plough into businesses in his close friend Mr Kagame’s emerging economy.

It is a task to which Mr Blair is devoting much of his time. Both he and his wife Cherie are regular guests of Kagame, flying in on a fabulously luxurious private jet (of which more later) and staying in a smart suite at the Rwandan capital Kigali’s finest lodgings, the Serena Hotel.'

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