Today on "Special Report":

Federal Reserve Chairman Alan Greenspan (search) has touched off a political firestorm with his call for benefit cuts in Social Security and Medicare for future retirees.

Steve Harrigan reports: Rebels began moving toward Haiti's capital of Port-au-Prince on Thursday and are awaiting the order to attack, a guerrilla leader told The Associated Press. We'll get a live update from Haiti.

GUEST PREVIEW: White House Communications Director Dan Bartlett will discuss the developing situation in Haiti.

Wendell Goler reports: Will President Bush send more troops to secure the embattled country of Haiti? We'll have a full report.

Bret Baier reports: A LIVE report from Afghanistan.

Carl Cameron reports: The remaining Democratic presidential hopefuls prepare to duke it out in California. We'll have the latest.

Major Garrett reports: The murder of Laci Peterson and her unborn child Conner has sparked a new federal bill — Should the accused be charged with two murders if a pregnant woman is killed? Will this become law?

Details on those stories and more on Special Report with Brit Hume at 6 p.m. ET.

— Guests and topics are subject to change