This week on Inside the Arts, the Marigny Opera Ballet opens its 5th season with the premiere of Follies of 1915. The full-length comedy of errors is set to period music by the New Leviathan Oriental Foxtrot Orchestra. Artistic director Dave Hurlbert joins us. Then, a heads up for budding artists. If you are a Louisiana high school junior or senior "Blue Dog" artist George Rodrigue's Foundation of the Arts is hoping you'll enter its annual visual arts competition. A winning entry could lead to a