Senior U.S. official : And the strategy to build a coalition with Russia and China `` has already begun to bear fruit , '' one senior U.S. official said . Strategy is to build a relationship with Russia and China . Iran admits to existence of second uranium enrichment plant , U.N. agency says . Officials : President Obama recently shared sensitive intelligence with Russia , China . Administration 's strategy is to impose new sanctions on Iran , officials say .
Senior U.S. official : Strategy is to build a relationship with Russia and China . Iran admits to existence of second uranium enrichment plant , U.N. agency says . Officials : President Obama recently shared sensitive intelligence with Russia , China . Administration 's strategy is to impose new sanctions on Iran , officials say .