Dwight L. Moody may well have been the greatest evangelist of all time. In a 40-year period he won a million souls, founded three Christian schools, launched a great Christian publishing business, established a world-renowned Christian conference center, and inspired literally thousands of preachers to win souls and conduct revivals.  A shoe clerk at 17, his ambition was to make $100,000. Converted at 18, he uncovered hidden gospel gold in the hearts of mill…