Public steps make me happy.  I’m talking about those large stone or concrete steps that typically line plazas or porches.  They’re great places to sit and read, talk, eat lunch, and watch a parade of people thronging past.  Some of the best public plazas I’ve ever encountered have been located in Italy; I spent hours sketching in one of my favorites, the Piazza dei Signori in Vicenza, one summer during grad school.  The only complaint I have about public steps is that they’re a little rough on the hindquarters if you try to sit in one place for …