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Richard Clark loaded his shotgun. He glanced up the canyon, gray and misty under a cold dawn sky. A cotton-tail darted from a nearby bush and bounced away. Clark's gunsights followed in a weaving line after his bobbing target. Before he could draw a bead, the rabbit vanished behind a distant scrub oak. Clark stalked him quietly. He knew he'd bag this one without trouble, but any others around him would take cover at his first shot.