Today on "Special Report":

President Bush (search) celebrates Earth Day by highlighting efforts to shore up wetlands at a Maine nature reserve. We'll have a full report.

GUEST PREVIEW: A debate is brewing on Capitol Hill over troop strength in Iraq -- Do we need to send more troops? Should we bring back the draft? We'll ask former U.S. Army Maj. Generals Bob Scales.

Bret Baier reports: Should President Bush send more troops to Iraq? Some in Congress say yes ... We'll have a full report.

Carl Cameron reports: John Kerry (search) issues an Earth Day (search) blast to President Bush on the environment -- And we'll have the sparks.

Jim Angle reports: Today is Earth Day -- President Bush marks the occasion by calling for restoration and protection of wetlands. Get details.

Brian Wilson reports: One senator's wife faces assault charges after a trip to the local garden center. Don't miss this report.

Catherine Herridge reports: The NEA (search) is supposed to be neutral on reproductive rights, but the group is a co-sponsor of Saturday's pro-choice march in Washington. We'll have the fallout.

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

— Guests and topics are subject to change