Seinfeld's Gold Mine: How Rob Reiner's Company Hit the Jackpot

Ever heard of Castle Rock Entertainment? It's the company that gave us "The Shawshank Redemption. " But their real gold mine wasn't a movie—it was a TV show. "Seinfeld, " created by Jerry Seinfeld and Larry David, became a sensation and turned Castle Rock into a cash machine. This was no small feat.