Iran has been building a second uranium enrichment plant, a covert project that the U.S. has been tracking for years. Iran admitted to the project in a cryptic letter to the International Atomic Energy Agency on Monday, and President Obama disclosed the information this morning in a joint appearance with French President Nicolas Sarkozy and British Prime Minister Gordon Brown. The three leaders threatened new sanctions demanded immediate access to the site.

The Group of 20, which includes both wealthy, industrialized nations and large developing countries, will permanently replace the Group of 7 as the main global forum on economic policy.

Tens of thousands of Yemenis displaced by weeks of fighting in the north of the country face a humanitarian crisis exacerbated by heavy rains and highway robbers targeting relief convoys.

Afghanistan will recount a limited sample of 10 percent of votes cast in the disputed August 20 presidential election in order to speed up the recount process so that if a run-off is necessary, it can be held before winter.