Growing up, Anthony Lopez already knew something of the bar business — his parents owned two bars, one in San Leandro and one in Hayward."I used to do the inventory for them, so I had some experience with that," Lopez said.With that in mind, when he came to San Francisco during the heady 1970s, Lopez, a gay man, had an idea when he experienced discrimination in the newly emerging gay mecca."I used to go to the Castro and I didn't like the vibration, the vibes," Lopez said. "They were.