Snow’s BBQ pit boss Tootsie Tomanetz tends the pits as the sun rises over Lexington. (Photo ©Chris Wilkins/Texas BBQ Posse) By Bruce Tomaso/Texas BBQ Posse Gary Jacobson is a friend of mine. He’s a gifted writer, an extraordinary journalist with a sharp wit and a sharper mind. And he knows his barbecue. He’s been riding with the Posse longer than just about any of us. So it pains me to say this: On the subject of gas-fired smokers, Gary Jacobson is full of gas. A few days ago, he wrote on this blog that “perhaps we have mellowed a bit”…