Today on "Special Report":
Carl Cameron reports: Democratic front-runner John Kerry (search) made a clean sweep in Tuesday night's primary and caucuses -- That makes the Massachusetts senator's win record 18-2.
GUEST PREVIEW: Will a constitutional amendment ban gay marriage? We'll ask Rep. Marilyn Musgrave, R-Colo.
Major Garrett reports: First lady Laura Bush and Veep Dick Cheney raise money for the president's reelection effort. We'll have the details.
Steve Centanni reports: Will the U.S. help put an end to political unrest in Haiti (search)? Find out.
Details on those stories and more on Special Report with Brit Hume at 6 p.m. ET.
— Guests and topics are subject to change