Iran 's Supreme leader says `` why we do not believe in atomic bombs and weapons and do not seek them '' . Iran defying U.N. orders about its nuclear program , IAEA draft report says . Iran began boosting uranium enrichment before inspectors arrived , IAEA says .
Iran 's Supreme leader says `` why we do not believe in atomic bombs and weapons and do not seek them '' IAEA draft report obtained Thursday says Iran may be working on nuclear warhead for a missile . Iran defying U.N. orders about its nuclear program , IAEA draft report says . Iran began boosting uranium enrichment before inspectors arrived , IAEA says .