Years from now, people will look back at us and be amazed as the general level of ignorance. It will be quite a lot like asking a German in 1946 -- "You're claiming that you knew nothing about the holocaust?? How could you NOT know??"
Obama's birth certificate, fast and furious, the false economic data, the blatant racial politics of the Zimmerman case ... We're living in 1943 Germany and a good number of voters are smiling and laughing and saying that we're lucky to have such a benevolent leader.
But although it may be 1943 today, it will eventually be 1946, and when people of the future ask "How could you NOT know?" they will be harsh and judgmental of America 2012.