I came across some polls in a book I was reading, and I was wondering how it compared with public opinion today. I returned the book to the library, so I don't have all the poll data, but I googled what I could find for comparison.
70% of Americans at one time believed Saddam and Iraq were linked to the 9/11 attacks
50% of Americans at one time believed Saddam and Iraq had weapons of mass destruction
USATODAY.com - Poll: 70% believe Saddam, 9-11 link
Half of U.S. Still Believes Iraq Had WMD