UMD's Program on International Policy Attitudes (PIPA) has a new poll called the separate realitites of Bush and Kerry supporters. The entire poll is instructive, but I found the following chart most striking:
So, either people just do not bother to check the facts or the media does a poor job of delivering the facts to the public. I believe that it is more of the latter than earlier.
P.S. "It isn't that they cannot see the solution. It is that they cannot see the problem." -- G. K. Chesterton, The Scandal of Father Brown (1935)