The American and European drive to rebuke Iran over its nuclear activities ran into new difficulties on Monday, raising doubts about whether the International Atomic Energy Agency would quickly refer Iran to the United Nations Security Council for possible punitive action, European diplomats said. The diplomats said that Russian resistance to pressing the case against Iran, as the West wants, when the atomic energy agency board meets on Feb. 2, made it increasingly unlikely that the board would adopt the kind of resolution being sought by the United States and the Europeans. Full Story