The U.S. military has launched a new "Most Wanted" campaign offering rewards of up to US$200,000 for information leading to the capture of a dozen Taliban and al-Qaida leaders.

It is being reported the US may have moved a step closer to military action against Iran, but there has also been a change in the potential target. A new report suggests the target of any attack would be Iran's Revolutionary Guard, rather than the country's nuclear facilities.

A US missile intercepted a mock warhead launched into space over the Pacific on Friday, in a successful test of the US missile defence system, a defence spokesman says.

US Defence Secretary Robert Gates said he wanted to close the US military prison at Guantanamo but could not forge agreement inside the Bush administration.

US President George W Bush has announced new US sanctions against Burma's military rulers and has urged other countries to follow suit, amid Burma's biggest anti-government protests in 20 years.

In America we have some of the best medical care in the world, but the same high quality care isn't available to everyone. Government programs insure the elderly and the poor. For the rest, it's usually either private health insurance through their jobs, or no health insurance at all. An estimated 47 million people in the United States have no health insurance, and many of them are immigrants.

Iran's President Mahmoud Ahmadinejad is in the United States and makes two appearances Monday, attracting protest and controversy. Mr. Ahmadinejad is set to address journalists in Washington by videoconference from New York and give a speech at Columbia University.

Iranian President Mahmoud Ahmadinejad has kicked off his third visit to the United States with two public appearances that have whipped up a storm of controversy and sparked angry protests.

The United States is hosting a high-level diplomatic meeting in Washington Friday to discuss the possibility of imposing new U.N. sanctions against Iran over its alleged nuclear weapons program.

Legislation to regulate U.S. troop deployment cycles in Iraq was blocked in the U.S. Senate late Wednesday by Republican opponents who argued the measure could undermine the war effort. The action was a blow to Senate Democrats who are seeking to challenge the Bush administration's Iraq war policy.

President Bush has announced the resignation of Agriculture Secretary Mike Johanns. At the White House Thursday, the president thanked Johanns for his service to the department.

Cuba's foreign minister has spoken out against the U.S. trade embargo on Cuba, as the United Nations prepares for its yearly vote on whether the United States should revoke it.