take-it-or-leave-it deal by the U.S. on the nuclear issue is the wrong strategy Ray Takeyh February 14, 2013 -- On Feb. 26, the United States and Iran will once more resume their diplomatic ritual, in the so-called six-party talks, over Iran's disputed nuclear program. As the two perennial adversaries eye one another, there are competing paradigms about how to deal with Tehran. An emerging school of thought suggests that the best means of "testing"