Jim and Jan Worsham opened Bull Hollar BBQ in Bells in early February. (Photos @Daniel Goncalves & Chris Wilkins) Editor’s note: Bull Hollar BBQ is now closed. By Bruce Tomaso/Texas BBQ Posse A few days ago, I disagreed with fellow Posse member Gary Jacobson, who said we might have been wrong in the past for condemning gas-fired smokers. Call me an extremist, but I say the only way to cook fine barbecue is with wood. There’s no need to revisit that argument. I’m right. Gary’s wrong. Fin de conversación. However, as we discovered on a recent North Texas tour, the…