Meet Greg. He's a stocky guy with an outsized swagger. He's been the intimidating yet sociable don of his posse of friends--including Abe, Keith, Mike, Kevin, Torn Trunk, and Willie. But one arid summer the tide begins to shift and the third-ranking Kevin starts to get ambitious, seeking a higher position within this social club. But this is no ordinary tale of gangland betrayal--Greg and his entourage are bull elephants in Etosha National Park, Namibia,...