weapons of mass destruction


Iran reveals a secret nuclear plant

Iran has revealed it's developing a second uranium enrichment plant. Until now it's acknowledged only one. President Obama called on Tehran today to open the facility international inspectors. The World's Katy Clark has the story.


US and Russia nuclear treaty

The US and Russia are moving closer to signing a new arms control agreement that would reduce the nuclear arsenals in both countries. The World's Matthew Bell reports on the significance of the treaty and what obstacles lay ahead.


Iran's nuclear defiance

Iran's President Ahmadinejad said today his country will not agree to talks on the nuclear issue if the UN Security Council imposes new sanctions. Stephen Kinzer is the author of 'Reset: Iran, Turkey and America's Future.' Marco Werman talks with him.