How’s this for a modern-day adventure, although with a tip of the hat to a golden oldie? Albert Bartkus and Cindy Chebultz have joined a growing number of cruisers who are taking on the Great Loop, and they’re doing it on a classic 1960, 50-foot wooden Chris-Craft Constellation named MissMarianne. And to prove they’re totally up to date, Cindy is taking pictures and posting them on their blog, lifeofacaptain, just about every day. They left Chicago, their home port, on Oct. 27, and figure that by the time they’re through with the Loop, plus side trips, they’ll cover 7,000 miles,…