When we request an Uber after a night out of drinking, we expect to be taken home safely and efficiently. What we don’t expect is to have our photo taken and posted on social media, blasting us for passing out on the way home – but that’s exactly what happened to a passenger on Saturday with his Nashville Uber Driver, Rachel Rubalcaba. We blurred his face, but she did not. The caption of the photo written by the driver was “When a guy passes out in your front seat and…