LOST RIDERS OF THE HOLLYWOOD SAGE . . . Fans of Western movies have heard of (and likely seen) the key genre classics: Shane, High Noon, The Searchers, Stagecoach, Red River, Tombstone, and Unforgiven, to name a few. But how many armchair cowboys and cowgirls are aware that thirty years previous to Clint Eastwood's film, a similarly named movie, The Unforgiven, featured two top 1950s Western stars,...