Dan Rosenberg has seen it all before. That makes him very different, mind, from the guys who know it all. What they don't know isn't worth knowing, right? The fact, for instance, that Tim Tam was a slow breeder. Who cares about that, today? Well, it's just that each piece of the mosaic eventually adds up to something precious. Meeting Rosenberg, one after the other you're blessed by little vignettes, another miniature tile, that will stay with you. And you begin to sense how rare a perspective he must have,...