Developments in both stalemates are expected in the coming days with international patience running out over Iran's refusal to come clean about its suspected nuclear program and North Korea's refusal to return to stalled disarmament talks.
As Clinton departed early Sunday for Berlin, U.S. officials said they anticipated that the U.N.'s nuclear watchdog soon would give up hope that Iran would accept a confidence-building deal under which it would ship uranium abroad for further enrichment. That would set the stage for consideration of new U.N. Security Council penalties against Tehran.
In addition, the officials said the U.S. is nearing an announcement that it will send a special envoy to North Korea in a bid to get the North to resume the negotiations, known as the six-party talks. The envoy, Stephen Bosworth, has been invited by the North Koreans, but the Obama administration has not yet accepted.
The centerpiece of Clinton's two days in Berlin will be celebrations marking the anniversary of the Nov. 9, 1989, opening of the wall, the symbolic end of the Cold War. But behind the scenes, in meetings with German and other visiting foreign officials, the Iran question looms.
The administration is seeking support for fresh penalties against Iran. In particular, the U.S. is hoping for help from Russia, which along with China, has in the past resisted and is giving mixed signals about whether it will back them if the uranium transfer proposal is rejected.
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