Pretend you’re rummaging through an old steamer trunk in a dusty antique store somewhere. Inside the trunk, hidden amidst some old Frank Sinatra LPs and a stack of fading “National Geographic” magazines, you find a cardboard box. You open the box and discover a stack of photographic slides wrapped in a yellowed newspaper dating to 1963. Holding one of the slides up to the light, you can just make out what appears to be Moscow’s Red Square. You’re intrigued. You buy the slides for a few dollars, take them home, load them in your slide projector, and voila! That’s how …read more