Goofy question here: what do switchgrass and Spider-Man have in common? Well, some say they're both key elements to Ohio's economic development. A proposed plant on the Ohio River would combine switchgrass with coal, and transform that mixture into thousands of barrels of clean burning jet fuel every day, not to mention a few jobs. And on the jobs front, Spider-Man 3 is almost in theaters - so, what's the Greater Cleveland Film Commission been doing since Hollywood invaded last year? We'll find out on the The Sound of Ideas, Monday morning at nine, on 90.3.