Value Those Who Know Fact From Opinion

    We all disagree on many things, even with our closest friends and loved ones. Preferences in restaurants, football teams, and styles of music are likely to invoke wide ranges of comments from those around us.

The more meaning we assign an issue - the more we value it - the less tolerant we tend to become of those who have different values. A friendly rivalry about a ballgame is one thing, falling on different sides of Roe v. Wade is another. 

Some of us lean towards treading softly into such i...