Photos, story by Cassie Hepler When the tourism board for Visit San Antonio, Texas invites you on a press trip, you go. Especially when it’s a culinary tour and the itinerary includes eating, exploring (hey, that sounds familiar), sleeping, wining and dining at some of the best spots that this massive city has to offer (its the 7th largest city in the U.S. while Philly is 5th). The night before the scheduled 4 a.m. flight from Philly by Southwest (hint: never agree to early flights while having spotty reception in the Poconos the previous week), I was bouncing around from back to back events and packed at 8 p.m. the night…