Of course, the Europeans and the Inspectors all thought Saddam had something too - not just what the Bush admin said at the time. Clinton's intelligence apparatus also said Saddam was doing this stuff and had WMD prior to the Bush Admin.
Some stuff had been found (and some is believed to have been transferred to Syria and may have been used in the ISIS/Pre-ISIS time)
http://www.nytimes.com/2015/02/16/wo...pons.html?_r=0