If you want authentic barbecue, it's a good weekend to fire up your backyard pit because barbecue restaurants say some South Florida cities aren't too hot on their traditional slow cookers. The fragrant smoke that attracts 'cue lovers is often a turnoff to neighboring homes, so a growing list of cities are adding restrictions to routine health and fire codes, making it difficult for restaurants to open. "If they knew what they were going to have to go through to open a place, I don't think anybody in their right mind would ever get into this business," said Mark Vasturo,...