As Secretary of State Colin Powell prepares to make the U.S. case for war against Iraq, Gwen Ifill gets four views on his role in the Bush administration and his efforts on the world stage.

President Bush warned in his State of the Union address that the U.S. will see that Iraq is disarmed, even if that means launching military strikes. Kwame Holman reports with excerpts from the president's speech.

As a war of words continued between Bush administration officials and foreign diplomats opposed to a military intervention in Iraq, U.S. and British leaders renewed their calls for Iraq to disarm, warning Saddam Hussein that time is running out.