Philadelphia’s Convention Center boasts escalators of amusement park-ride proportions. Story, photos by Sharon Kozden “A mind is a terrible thing to waste.” Galas and balls may not be everyone’s (as the Brits say) cuppa char. I, however, would be hard pressed to decline an invite to either. That said, and while the prospect of a evening at home in my comfies, chowing Chinese takeaway and watching a flick in the cuddly company of my fur babies is a thoroughly enticing one, an occasional night on the town offers a desirable change of pace. I relish an opportunity to bust out the glam finery of cocktail dresses and gowns, wield a…