First things first: it is extremely inconvenient, even embarrassing, that Abdelbaset Ali al-Megrahi is still alive nearly a year after he was released from Greenock Prison on the grounds that he was believed to have not much more, and perhaps fewer, than three months to live. Nevertheless, the fact that he has lived longer than expected does not advance or give any greater credence to the notion that there was some conspiracy designed to free him come what may and regardless of any other considerations. Nor is there any evidence, despite recent press reports, that BP (everyone's favourite whipping boy...