Jim Lehrer discusses the latest developments in the Iraq war with Zbigniew Brzezinski, counselor at the Center for Strategic and International Studies in Washington, and Walter Russell Mead, senior fellow for U.S. foreign policy at the Council on Foreign Relations.

Margaret Warner gets four views on the initial stages of the U.S.-led strikes in Iraq and the state of the political and military struggle facing Iraqi leader Saddam Hussein.

With only hours before President Bush's Wednesday deadline expires for Saddam Hussein and his sons to leave Iraq or face a military invasion, thousands of American and British troops have massed along the northern Kuwaiti border with Iraq.

Republicans denounced Senate Democratic leader Tom Daschle on Tuesday for his criticism of President Bush with the nation on the brink of war. Jim Lehrer and guests discuss the appropriate role for those who oppose a war.