I never heard anything about aluminum tubes or chem labs and can't find those things on my list of reasons Bush gave for going to war in Iraq, as far as the other 2 items you list read the following:
What of the related charge that it was still another “lie” to suggest, as Bush and his people did, that a connection could be traced between Saddam Hussein and the al-Qaeda terrorists who had attacked us on 9/11? This charge was also rejected by the Senate Intelligence Committee. Contrary to how its findings were summarized in the mainstream media, the committee’s report explicitly concluded that al Qaeda did in fact have a cooperative, if informal, relationship with Iraqi agents working under Saddam. The report of the bipartisan 9/11 commission came to the same conclusion, as did a comparably independent British investigation conducted by Lord Butler, which pointed to “meetings . . . between senior Iraqi representatives and senior al-Qaeda operatives.”
Which brings us to Joseph C. Wilson, IV and what to my mind wins the palm for the most disgraceful instance of all. The story begins with the notorious sixteen words inserted—after, be it noted, much vetting by the CIA and the State Department—into Bush’s 2003 State of the Union address:
The British government has learned that Saddam Hussein recently sought significant quantities of uranium from Africa. This is the “lie” Wilson bragged of having “debunked” after being sent by the CIA to Niger in 2002 to check out the intelligence it had received to that effect.
Wilson would later angrily deny that his wife had recommended him for this mission, and would do his best to spread the impression that choosing him had been the Vice President’s idea.
But Nicholas Kristof of the New York Times , through whom Wilson first planted this impression, was eventually forced to admit that “Cheney apparently didn’t know that Wilson had been dispatched.” (By the time Kristof grudgingly issued this retraction, Wilson himself, in characteristically shameless fashion, was denying that he had ever “said the Vice President sent me or ordered me sent.”)
And as for his wife’s supposed non-role in his mission, here is what Valerie Plame Wilson wrote in a memo to her boss at the CIA:
My husband has good relations with the PM [the prime minister of Niger] and the former minister of mines . . . both of whom could possibly shed light on this sort of activity.
More than a year after his return, with the help of Kristof, and also Walter Pincus of the Washington Post , and then through an op-ed piece in the Times under his own name, Wilson succeeded, probably beyond his wildest dreams, in setting off a political firestorm. In response, the White House, no doubt hoping to prevent his allegation about the sixteen words from becoming a proxy for the charge that (in Wilson’s latest iteration of it) “lies and disinformation [were] used to justify the invasion of Iraq,” eventually acknowledged that the President’s statement “did not rise to the level of inclusion in the State of the Union address.” As might have been expected, however, this panicky response served to make things worse rather than better.
And yet it was totally unnecessary—for the maddeningly simple reason that every single one of the sixteen words at issue was true.
That is, British intelligence had assured the CIA that Saddam Hussein had tried to buy enriched uranium from the African country of Niger.
Furthermore—and notwithstanding the endlessly repeated assertion that this assurance has now been discredited—Britain’s independent Butler commission concluded that it was “well-founded.” The relevant passage is worth quoting at length:
a. It is accepted by all parties that Iraqi officials visited Niger in 1999.
b. The British government had intelligence from several different sources indicating that this visit was for the purpose of acquiring uranium. Since uranium constitutes almost three-quarters of Niger’s exports, the intelligence was credible.
c. The evidence was not conclusive that Iraq actually purchased, as opposed to having sought, uranium, and the British government did not claim this.
As if that were not enough to settle the matter, Wilson himself, far from challenging the British report when he was “debriefed” on his return from Niger (although challenging it is what he now never stops doing), actually strengthened the CIA’s belief in its accuracy.
From the Senate Intelligence Committee report:
He [the CIA reports officer] said he judged that the most important fact in the report [by Wilson] was that Niger officials admitted that the Iraqi delegation had traveled there in 1999, and that the Niger prime minister believed the Iraqis were interested in purchasing uranium.
And again:
The report on [Wilson’s] trip to Niger . . . did not change any analysts’ assessments of the Iraq-Niger uranium deal. For most analysts, the information in the report lent more credibility to the original CIA reports on the uranium deal. This passage goes on to note that the State Department’s Bureau of Intelligence and Research—which (as we have already seen) did not believe that Saddam Hussein was trying to develop nuclear weapons—found support in Wilson’s report for its “assessment that Niger was unlikely to be willing or able to sell uranium to Iraq.”
But if so, this, as the Butler report quoted above points out, would not mean that Iraq had not tried to buy it—which was the only claim made by British intelligence and then by Bush in the famous sixteen words.
The liar here, then, was not Bush but Wilson.