Prevarication by the Pakistani government cost America the chance to kill Osama bin Laden in an airstrike near the Afghan border two years ago, the Sunday Telegraph has been told. A CIA lead that the al-Qaeda leader was hiding in a remote province was squandered because the Pakistani government delayed giving permission for the attack on its soil, according to a senior Western diplomat.By the time US officials got the go-ahead, bin Laden had left the suspected hideout in Zhob, in the Baluchistan province of south-west Pakistan.The near-miss was cited by the diplomat as the reason why America chose not...