The two game changers for great barbecue are a good thermometer and the ability to manage your fire. This week's guest, Meathead Goldwyn, who was inducted into the BBQ Hall of Fame this last September, will enlighten us on key factors to consider.  Author of "Meathead: The Science of Great Barbecue and Grilling", Mr. Goldwyn is recognized as one of the leading authorities on BBQ.  His website, www.AmazingRibs.com, is probably the most popular BBQ website on the internet.  What is indisputable is the fact Forbes calls it the "BEST" BBQ website out there.  Dave and Andy will be talking about what to consider when buying a new smoker or grill for this season.