Getting an awful lot of mileage out of "we don't know yet."
Which is, of course, the only honest answer either a pro or anti-war person could give. In fact, this is largely what Cheney has been saying.
We do know that Saddam wanted such weapons.
Other than some burbling, I have seen no real response to the question of why Saddam had hundreds of weapons scientists on his payroll the day we invaded.