“Surprising” isn’t exactly the first thing that comes to mind when I utter the words “Still Life.” In fact, it tempts me to hit the snooze button and enter autopilot mode. Where’s the passion, where’s  the energy? Where’s the erotic force? After all, didn’t someone once say that all art is about sex? However, once again, I have been shown my ignorant ways because as it happens, still life paintings do have personality, and an American one at that. (Please don’t take my citizenship away). The Philadelphia Museum of Art’s new exhibition Audubon to Warhol: The Art of American Still Life, unearths the uniquely American history that can be traced…