MURRAY WAAS HAS UNCOVERED MORE EVIDENCE that Pres. Bush and his closest associates knew that their central justifications for invading Iraq were questionable at best.

Two highly classified intelligence reports delivered directly to President Bush before the Iraq war cast doubt on key public assertions made by the president, Vice President Cheney, and other administration officials as justifications for invading Iraq and toppling Saddam Hussein, according to records and knowledgeable sources.

The first report, delivered to Bush in early October 2002, was a one-page summary of a National Intelligence Estimate that discussed whether Saddam's procurement of high-strength aluminum tubes was for the purpose of developing a nuclear weapon.

Among other things, the report stated that the Energy Department and the State Department's Bureau of Intelligence and Research believed that the tubes were "intended for conventional weapons," a view disagreeing with that of other intelligence agencies, including the CIA, which believed that the tubes were intended for a nuclear bomb.

The disclosure that Bush was informed of the DOE and State dissents is the first evidence that the president himself knew of the sharp debate within the government over the aluminum tubes during the time that he, Cheney, and other members of the Cabinet were citing the tubes as clear evidence of an Iraqi nuclear program. Neither the president nor the vice president told the public about the disagreement among the agencies.

When U.S. inspectors entered Iraq after the fall of Saddam's regime, they determined that Iraq's nuclear program had been dormant for more than a decade and that the aluminum tubes had been used only for artillery shells.

The second classified report, delivered to Bush in early January 2003, was also a summary of a National Intelligence Estimate, this one focusing on whether Saddam would launch an unprovoked attack on the United States, either directly, or indirectly by working with terrorists.

The report stated that U.S. intelligence agencies unanimously agreed that it was unlikely that Saddam would try to attack the United States -- except if "ongoing military operations risked the imminent demise of his regime" or if he intended to "extract revenge" for such an assault, according to records and sources.

The single dissent in the report again came from State's Bureau of Intelligence and Research, known as INR, which believed that the Iraqi leader was "unlikely to conduct clandestine attacks against the U.S. homeland even if [his] regime's demise is imminent" as the result of a U.S. invasion.

On at least four earlier occasions, beginning in the spring of 2002, according to the same records and sources, the president was informed during his morning intelligence briefing that U.S. intelligence agencies believed it was unlikely that Saddam was an imminent threat to the United States.

However, in the months leading up to the war, Bush, Cheney, and Cabinet members repeatedly asserted that Saddam was likely to use chemical or biological weapons against the United States or to provide such weapons to Al Qaeda or another terrorist group.