BY DAVE CATHEY Food Editor dcathey@opubco.comThis weekend we celebrate independence and freedom for two days instead of one, which means you have the perfect opportunity to set aside the usual quick-and-dirty grill fare and express your culinary muscles with pork ribs. Burgers and hot dogs are commonly cooked over hot coals or propane-fueled flame to go along with a battalion of potato chips, cold salads and scoops of ice cream. But with many businesses observing the holiday Friday, you'll have the perfect opportunity to prepare for something memorable. Pork ribs are to the barbecue world what the Rolling Stones are to popular music: They draw a large crowd, young and old, whether they're at their best or not.Read more on NewsOK.com