Coming up this week on A Prairie Home Companion, a nautical show for all the summer sailors. Maria Jette sings Schubert's "Die Forelle" ("The Trout"). Ruth Harrison turns down an opportunity to sail around the world with a swarthy author, Kate Rusby sings "I Courted a Sailor," John C. Reilly sings a sea shanty from our Iceland show, and you'll get the latest info on Tom Keith's cruise on Lake Superior called "The Inner Passage." Plus, Greek Tragedy, "The Golden Vanity," John Hiatt and a history lesson about the settlement of Minnesota by the Vikings. In Lake Wobegon, a bikini-clad water skier knocks the socks off a young pastor, literally