A number of companies and cruise lines now offer themed cruises that focus on Christian music, teachers or even missions opportunities. Below are upcoming highlights from some of these: American Cruise Club, 1-800-697-0097, www.americancruiseclub.com/stepsofpaul.htm Oct. 27–Nov. 5: The name “Club” is misleading because membership in American Cruise Club is free and open to anyone. The “Steps of Paul” cruise package…