This is Orwellian, and Soviet style censorship of the historical record. It’s important to see that many prominent Democrats supported the president in the fall of 2002 when this was all being debated in Congress.
We should not be retroactively changing or white washing what was said.
...and every damned one of them would claim it is irrelevant, and doesn't count, "because I, Senator ____, based my statement upon the flawed, irresponsible untruths and deceptive statements of the President. Had I, Senator _____, known, I would have never said...".