This is the same Christopher Meyer who penned the phrase "wrongfoot Saddam over the inspectors" in his own DSM-style memo, relating his meeting with Paul Wolfowitz to Blair aide David Manning:
I opened by sticking very closely to the script that you used with Condi Rice last week. We backed regime change, but the plan had to be clever and failure was not an option. It would be a tough sell for us domestically, and probably tougher elsewhere in Europe. The US could go it alone if it wanted to. But if it wanted to act with partners, there had to be a strategy for building support for military action against Saddam. I then went through the need to wrongnfoot Saddam on the inspectors and the UN SCRs and the critical importance of the MEPP as an integral part of the anti-Saddam strategy. If all this could be accomplished skilfully , we were fairly confident that a number of countries would come on board.
(
http://www.downingstreetmemo.com/meyertext.html )
These are his own words about how the UN process related to the onset of war, written in March 2002.
Meyer seems to be saying here that the UN resolutions in the run-up to the war were a way of "building support for military action" by "wrongfooting" Saddam - a British plot with no intent of a peaceful resolution behind them.
In effect, he's saying to Wolfowitz: We (UK) will only come on board if you sign up to our plan to utilize UN resolutions to make it appear that there is a basis in international law for an invasion.
Thus he seems to be indulging in invention now when he thinks there was a chance of waiting until Autumn 2003 - by that time the Iraqi compliance with the inspection regime, and the lack of WMD, would likely be thoroughly established.
It's good that he's gunning for Blair, no doubt, but he's pulling his punches on the run-up to war. The truth would be much more damaging.