Updated

Today on "Special Report":

Bret Baier reports: CIA Director Tenet (search) tells bipartisan commission that Usama bin Laden's (search) death wouldn't have prevented Sept. 11 attacks.

Jim Angle reports: Former Bush and Clinton counterterrorism adviser Richard Clarke (search) begins his testimony in front of the 9/11 commission by addressing the families of Sept. 11 victims in the audience, saying, "your government failed you … and I failed you."  Has he changed his tune since previous briefs? We'll have a full report.

Major Garrett reports: Kerry returns to the campaign trail and finds his position in the polls has changed.

Mike Emanuel reports: Should "Under God" be removed from the Pledge of Allegiance (search)? That question was at the heart of arguments heard by the Supreme Court today. We'll have the details.

James Rosen reports: Was the government's chief Medicare (search) actuary prevented from giving Congressional Democrats his estimate of the true cost of the new Medicare reform law?

Steve Centanni reports: Mayhem continues in Iraq as the days dwindle down to the turnover of control to a provisional Iraqi government. We'll get a LIVE update from Baghdad.

Mike Tobin reports: Answers from the new head of Hamas, Abdel Haziz Rantissi (search).

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

— Guests and topics are subject to change