> U.S. presidential hopeful Barack Obama says he and French President Nicolas Sarkozy believe "the world must send a clear message to Iran to end its illicit nuclear program." - After talks between the two men in Paris, the Democratic senator from Illinois told reporters on Friday they agreed the situation in Iran is "extraordinarily grave." - "A nuclear-armed Iran would pose a threat to both our nations. It would endanger Israel and the rest of the region, and could embolden terrorists and spark a dangerous arms race in the Middle East," Obama said outside the presidential Elysee Palace. - Last February, the International Atomic Energy Agency, the UN's nuclear watchdog, said Iran has not shown enough evidence to demonstrate its nuclear plans are peaceful. - Iranian President Mahmoud Ahmadinejad has said he wants to harness nuclear energy only for civilian purposes. Uranium enrichment can produce fuel for a nuclear reactor or the material for...