AP Photo

The deadly bomb blast that killed dozens in Lahore yesterday once again underlines the grave threat posed by extremists in Pakistan to the very survival of that country. The incident reiterates the grievous risk that a Pakistan speedily spinning out of control poses to its neighbours and to global security. Even as the Pakistani establishment under pressure from and with the help of the US fights the Taliban in its territory, it is increasingly becoming clear that what is being done is not going to be enough to restore stability.

Leading powers, in Pakistan's neighbourhood and away, simply cannot afford to leave it to America alone to manage the crisis in Pakistan. In this context, reports that America has solicited the help of Pakistan's long-time allies, China and Saudi...