It's already been admitted to by members of the administration that they couldn't come to a concensus on a reason to invade so they "settled" on the WMD issue. Straight out of the Goering/Rove playbook.

You know, my teenager tries to do the same thing: give a laundry list of reasons/excuses for whatever. Eventually one of them gotta stick, he figures. Ergo, the administration's genocide card.
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Tent makers for Christie, 2016.