The chairman of the Nine-Eleven commission says he hopes public testimony from President Bush's national security adviser will help clear up some questions.
Thomas Kean tells CBS's "The Early Show" the panel will be asking Condoleezza Rice what she learned from the Clinton administration about terrorism, al-Qaida and Osama bin Laden.
He also says he thought Richard Clarke was a "good witness" in previous commission hearings. Clarke is the former Bush anti-terrorism adviser who's now criticizing the administration's policies.
Kean suggests that during Clarke's tenure, Clarke may not have been "in the loop the way he should have been."
The administration agreed to let Rice testify publicly. Bush and Vice President Cheney have agreed to private testimony.
A woman who lost her husband on Nine-Eleven says families of victims simply want "honesty and forthcomingness" in the upcoming testimony, whether it's in public or private.