los angeles downtown norman m. klein interview by CECELIA STUCKER AND OLIVIER ZAHM photography by GIANNI OPRANDI Norman Klein’s celebrated book, The History of Forgetting: Los Angeles and the Erasure of Memory, looks at this fragmented city, made of so many layers that it only exists in the stories we make up about it, and not so much in what we see of it today. We met at the Grand Central Market and talked about the history of Downtown LA, a place Klein describes as a financial fantasy of the ’80s, retrofitted from its glamorous origins in the 1920s and now part of the resurrection of East LA. OLIVIER ZAHM — So, Norman, what is Downtown LA? It looks like any American city. NORMAN M. KLEIN — Well, LA was a very small city at first, centered around the downtown. The Spanish government didn’t discover it for 250 years. They arrived…