Many supposed "theological differences" between Catholics and Evangelicals are, I think, founded in semantics rather than in substantial disagreement. For example, when I was an Evangelical one of the periodic arguments I ran across against Catholic moral theology was that the concept of mortal and venial sin is unbiblical. Sin is sin, say Evangelicals, and there's no good in trying to make out some sins as "minor." To us Evangelicals such nice distinctions smelled a great deal like rationalization and looked like an escape clause from the commandment "Be holy, for I, the Lord, am Holy." After all, James wrote,...