Whichever way you look at it, the discovery and killing of Osama bin Laden in a comfortable house in Abbottabad within walking distance of Kakul (Pakistan Military Academy) and a short drive from the nation’s capital Islamabad, constitutes an abject humiliation for Pakistan. The options are limited. Either the Pakistani authorities did not know that bin Laden was there, apparently for several years. In which case their incompetence is so colossal that it should cause widespread panic, except that it beggars belief. Or the Pakistani authorities knew of bin Laden’s presence in their midst. In which case the worst cynics have been proved right. There are some tell-tale pointers as to which of these is more likely to be true. …