Some people are still scratching their heads over Whiskey Wild Saloon. As recently as two weeks ago, regulars posting on yelp.com wrote to ask what had happened to the tavern, where for two years, people danced on the bar and drank $2 "train shots" whenever trains rolled by. "Did this place officially close?" wrote someone who stopped by, only to find the place dark and the front doors chained and bolted. The bar at 1910 Q St. closed over the summer for reasons that aren't clear. The owners surrendered the bar's liquor license to the California Department of Alcoholic Beverage Control on Sept. 9. The bar closed at least a month earlier, according to its MySpace page, where someone post