Many Christians' faith exists as a loose collection of unexamined clich s and slogans borrowed from songs, devotional books, sermon illustrations, and even the internet. Too often this belief system (if it can be called a "system") lacks coherence and intelligibility; it can hardly be expressed, let alone defended, to others. The problem with folk religion is that it too easily withers under the onslaughts of secularism or seemingly reasonable answers...