Today on Special Report:

Before dust can settle in the South — Democratic hopefuls are back on the campaign trail — Has Sen. John Kerry (search) solidified his front-runner position?

Jim Angle reports: President Bush maps out a firm plan to combat proliferation and issues a warning for regimes trying to acquire weapons of mass destruction. We'll have a full report.

GUEST PREVIEW: National Security Adviser Condoleezza Rice weighs in on the nuclear black market crackdown.

Steve Harrigan reports: The U.S. military doubles its bounty for Abu Musab al-Zarqawi (search) , an Al Qaeda-linked Jordanian. Is this in response to the terror plot letter intercepted  by U.S. troops earlier this week? We'll have the details.

Major Garrett reports: Wesley Clark (search) calls it quits and pulls off the Democratic presidential trail. We'll have the fallout.

Brian Wilson reports: Can the FCC protect your children from trash TV? We'll have answers.

Jonathan Serrie reports: A partisan battle with national significance is heating up in Georgia ... don't miss this report.

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

— Guests and topics are subject to change