AP Photo

President Obama sat down yesterday with the presidents of Pakistan and Afghanistan to seek a way out of the existential crisis now facing those two nations. As reported by the press, Obama secured commitments from them for greater cooperation in the struggle against the “common threat,” as well as assurances that Pakistan’s nuclear weapons would be secure — in other words, the same promises and commitments that every White House meeting with Pakistan’s leaders since 9/11 has invariably delivered. One thing that almost certainly was not discussed is the real nature of the problem facing the three countries and Washington’s decisive contribution to it. As a result, whatever putative solutions were agreed upon will...