Senior correspondent Margaret Warner, who has been ordered to leave Iran where she was reporting for the NewsHour, talks about the mood now that President Ahmadinejad has rejected U.N. demands to stop processing uranium.

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Analysts Mark Shields and David Brooks discuss speeches by President Bush, Vice President Cheney and Donald Rumsfeld defending U.S. policy in the Middle East, the Hurricane Katrina one-year anniversary, and a revelation in the CIA leak case.

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The United States is pushing the U.N. Security Council to impose sanctions on Iran for ignoring a deadline to halt uranium enrichment, but not until EU negotiators meet with Iran next week. Margaret Warner reports from Tehran.

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An International Atomic Energy Agency report found that Iran continued its nuclear enrichment activities despite demands from the U.N. Security Council to stop research by the Thursday deadline.

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At a news conference Tuesday, Iran's President Mahmoud Ahmadinejad continued to voice Iran's right to pursue "peaceful nuclear energy" and challenged U.S. President Bush to a live televised debate. Margaret Warner reports from Tehran.

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U.N. Secretary General Kofi Annan announced Monday that he would visit Iran, one day after Iran repeated its intention to continue uranium enrichment despite a U.N. deadline to halt nuclear program activities. NewsHour Correspondent Margaret Warner reports from Tehran.

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France offered its first take on Iran's proposal to re-open negotiations over its nuclear program, saying the door to talks was open, but only if Iran suspends uranium enrichment -- something it has opposed to date.

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Although Iran said Tuesday the country is willing to enter negotiations over its nuclear program, it did not indicate whether it would suspend uranium enrichment activities. Analysts discuss possible implications.

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President Bush said Monday that failed states in the Middle East are a direct threat to U.S. security and that the United States will remain engaged in the region to defend democracy. Experts discuss the region's instability and its effects…

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After Lebanon and Israel agreed to a U.N.-brokered cease-fire, Israeli Prime Minister Ehud Olmert declared Hezbollah crippled and vowed to still pursue its leaders, while Hezbollah head Sheikh Hassan Nasrallah claimed victory. Middle East experts discuss the cease-fire and its…

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