The Killing Fields of Cambodia - Are they Worth Remembering?
played, and, of course, the songs played in the encore performance. Mothers, fathers, children, students, businessmen, guards, deadheads, drug dealers, escaped convicts, basically everyone who attended this concert, all share a memory. In other words, fundamentally different people can be joined and united under one collective memory. As I said, collective memory can be a powerful tool.
 History, and, in particular, American history, can function as a collective memory. Through history