The Agonizing Problem of Pakistan's NukesBordering Afghanistan, now again under Taliban rule, is Pakistan, one of America’s oddest “allies.” Governed by a shaky coalition of ineffective politicians and trained military leaders trying desperately to contain the challenge of domestic terrorism, Pakistan may be the best definition yet of a highly combustible threat that, if left unchecked, might lead to the nightmare of nightmares: jihadis taking control of a nuclear weapons arsenal