of the most important financial minds, to tell us whether the oour zone is about to come apart. why in the world can t north korean nurses and doctors come back from the middle east? it s a fascinating tale. finally, back home, the former governor of michigan, jennifer granholm, tells us what her experience of cutting taxes and reducing spending taught her. all this coming up. but first, here s my take. last week the international atomic energy agency issued its most serious warning about iran s nuclear program. it argued that iran seems to have experimented with various technologies that suggested it was trying to build not just a nuclear program but a nuclear weapons program. this finding, to be clear, is at odds with the views of the former head of the iaea, mohamed elbaradei, as well as the report issued a few years ago by the united states national intelligence council. it s difficult, to be sure, what to make of these intelligence judgments because they are judgm