Secretary of State Hillary Clinton speaks while Treasury Secretary Tim Geithner looks on during a Nov. 21 news conference about new sanctions against Iran. Pablo Martinez Monsivais/AP hide caption

itoggle caption Pablo Martinez Monsivais/AP

Iranian President Mahmoud Ahmadinejad waves in Pakdasht, southeast of Tehran, Nov. 23. Ahmadinejad on Wednesday said he was surprised at European moves to isolate Tehran's central bank. HO/Reuters/Landov hide caption

itoggle caption HO/Reuters/Landov

U.S. Secretary of State Hillary Clinton arrives in Myanmar's capital city, Naypyidaw, on Wednesday for the first top-level U.S. visit to the country in half a century. Saul Loeb/AFP/Getty Images hide caption

itoggle caption Saul Loeb/AFP/Getty Images