Iraq was on the State Department's list of state ssponsors of terrorism for over a decade. Hence, Iraq was an integral part of the War Against Terrorism. Also, the US had been maintaining the enforcement of two no-fly zones in Iraq for almost ten years costing us billlions of dollars a year and placing our pilots at risk. If we had not removed Iraq as a threat, we would still be bogged down flying these missions while Saddam would be using his Oil for Food money to fund terrorists and the development of WMD.
Clarke is another failed bureaucrat who was wrong on terrorism and now wants to attack a President who has figured out how to combat the terrorists successfully.
Well, he certainly appeared to be involved...
...or proud of someone else's handiwork.