The two ads that accompany this written piece come courtesy of retired Professor René Torres who submits historical columns to this newspaper on a regular basis. Thank you, René.The old Hotel San Juan, commonly referred to as the San Juan Hotel, in downtown San Juan still stands, although it’s fallen on hard times, and that’s putting it mildly. The Blue Moon Club, not sure where that once stood, but from what I’ve heard over the years, it was a big deal back in the day.Back in the 1980s, the San Juan Hotel was restored to its once pristine look, like ...