When I met Seif al-Islam Gaddafi a couple of years ago, I formed a number of impressions. First, he was pretty able. Second, he was a complicated character. Although he took himself seriously and obviously intended to be the next ruler of Libya, he was not happy in his own skin. This was hardly surprising. An upbringing at the hands of his fruitcake of a father is not likely to ease anyone into a comfortable sense of self.

At ease or not, this seemed an interesting fellow, a long way from the bizarre ranter of the recent broadcast. A few weeks ago in Davos, the world’s influential were keen to have lunch with him. On the basis of my meeting, I could understand why. Moreover, he made it clear that he was in favour of fundamental change in Libya. Nor was he so absurd as to claim that the Libyans already enjoyed democracy, human rights and the rule of law.

There was talk of my interviewing him. In discussions with his advisers, I emphasised I would have to press him on awkward questions, including his father’s longevity in office. I also decided that if it did happen, the interview should take place in London rather than Tripoli. As I expected, his people said they would get back to me and then went quiet.