Are you a conservative who believes liberals have no moral values? Are you a liberal who believes conservatives have no moral values? Either way, you'd be wrong.
Do you believe liberals have an unbiased grasp of reality? Do you believe conservatives have an unbiased grasp of reality? Again, either way, you'd be wrong.
Watch as psychologist Jonathan Haidt tries to lead a group of (mostly) liberals out of their "comforting delusions" (his exact phrase) at the 2008 TED conference, and wonder how successful he'd be in front of a group of Tea Partiers.