Everything went smoothly on our flight from Philadelphia to Barcelona, and we arrived only about 30 minutes behind schedule. Rich was in contact with Isabelle, our AirBnB host, and we met her at the apt. She gave us a quick tour and explained how things worked, and then we were on our own. We were all pretty tired, but hunger trumped that, so we set off to find a place to eat. Around the corner from us was a quaint coffee and sandwich shop, so we gave it a try. I...