Pakistan’s President Asif Ali Zardari has raised the prospect that Osama bin Laden could be dead after he said that intelligence officials could find “no trace” of the al-Qaeda chief. […] There have been regular reports of bin Laden’s ill health, notably speculation about his kidneys failing. Mr Zardari said his own advisers believed there was substance to the rumours. […]Mr Zardari’s comments came as he sought to reassure the international community that it need not worry over the security of Pakistan’s nuclear weapons. SOURCE
