Most of us have at least one cranky old relative who not only has stronger opinions than the rest of us, but is also convinced that those opinions are superior to ours. Not just content to believe that, say, voter ID laws are a good idea, this relative is also derisive of anyone with a different view.
Are those cranky old relatives more likely to be Republican than Democrat? Put another way—are opinionated conservatives more certain of the superiority of their views than opinionated liberals? …(Read more and view comments at Forbes)