Tonight on Special Report with Brit Hume:

The clock is ticking for Saddam Hussein, as hours pass since President Bush ordered the Iraqi leader to step down in 48 hours or face war.

Plus:

• Iraq's leadership rejects the U.S. ultimatum for Saddam Hussein and his family to leave Iraq or face war.

• The White House is expected to ask Congress for up to $90 billion to pay for a war with Iraq and other expenses within days of the start of combat.

• Worried that war in Iraq could lead to terrorist reprisals at home, the Department of Homeland Security raises the terror alert to orange, indicating a high risk of attacks, and implements enhanced security measures nationwide.

• International donors commit some $2 billion in aid over the next year to rebuild Afghanistan and help it counter international terrorism and curtail heroin production.

Details on these stories and more on Special Report with Brit Hume.
— Guests and topics are subject to change