 The WHIO Weekend Preview with what's happening around the Miami Valley. Here's Chris Hartley. The Preble County Old Fashioned Independence Day Celebration is happening. That's going to be on Sunday night over at Eaton. Food, live music, children's activities, and more fireworks are going to top off the night. Festival begins at 4 p.m. Wizard of Oz is happening. That's over at Laka Media this weekend. The show's going to include a buffet dinner. It's going to run through August 11th. Tickets available right now at lakamedia.com. Train Rides is happening. That's over at Carillon Park. Rides are just a