] The Bush administration is preparing to release
] supersensitive electronic intercepts obtained by the
] National Security Agency that officials say prove that
] Iraq has repeatedly lied to United Nations inspectors,
] plotted among themselves about how to conceal weapons
] material and even appeared to boast afterward at their
] success in doing so.

It is being said this will be the meat of Powell's presentation to the UN.

SF Indymedia: The Smoking Gun (Iraq)