Winston Lord and Lawrence Gelb are two senior members of Washington’s foreign policy establishment, a constituency that has been pushing, conditionally, for Agreed Framework 2.0 ever since the death of Agreed Framework 1.0. The establishment has supported, in principle, the idea of making a deal and sacrificing adjectives to get one, but they’ve always kept one eye on the exits in case the North Koreans just wouldn’t play along. Maybe the flaw for which they can be most faulted is...