A still-classified section of the investigation by congressional intelligence committees into the Sept. 11, 2001, attacks has taken on an almost mythic quality over the past 13 years. Now new claims by Zacarias Moussaoui, a convicted former member of Al Qaeda, that he had high-level contact with officials of the Saudi government in the prelude to Sept. 11 have brought renewed attention to the inquiry's withheld findings. Representative Stephen F. Lynch, Democrat of Massachusetts [has authored] a bipartisan resolution encouraging President Obama to declassify the section. Mr. Lynch and his allies have been joined by former Senator Bob Graham of Florida, who as chairman of the Senate Intelligence Committee was a leader of the inquiry. He has called for the release of the report's [28 page] Part 4, which dealt with Saudi Arabia, since President George W. Bush ordered it classified when the rest of the report was released in December 2002. Mr. Graham has repeatedly said it shows that Saudi Arabia was complicit in the Sept. 11 attacks. "The 28 pages primarily relate to who financed 9/11, and they point a very strong finger at Saudi Arabia as being the principal financier," Mr. Graham said last month as he pressed for the pages to be made public. Proponents of releasing Part 4, titled "Finding, Discussion and Narrative Regarding Certain National Security Matters," have suggested that the Bush and Obama administrations have held it back for fear of alienating an influential military and economic partner rather than for any national security consideration.