Today on "Special Report":

Wendell Goler reports: The Bush administration has lost one of its staunchest allies in Europe -- Spain's new Socialist leader Jose Luis Rodriguez Zapatero (search) says he will remove Spain's troops from Iraq by June 30.

Bret Baier reports: How will a Spanish troop retreat affect post-war Iraq?

Carl Cameron reports: Kerry continues to face questions over unnamed foreign leaders who he says support his candidacy.

Major Garrett reports: A claim made by the government's top expert on Medicare stirs a controversy. We'll have the details.

James Rosen reports: From nuclear weapons to their high-tech missiles -- It’s a behind the scenes look at Libya’s secret weapons program. Don't miss it!

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

— Guests and topics are subject to change