SILVER SPRING, Md. -- "Bar Rescue" host Jon Taffer has an important question about one of the D.C. area's most quirky businesses, an establishment that revolted against the Spike TV host's best make-over efforts. "If you had a pirate concept that had failed for five years and had a new concept, would you go back to the concept that failed for five years or try something new? It defies logic that someone would go back to a concept just ...