A symbol of mythic potency, the African lion has ruled the human imagination for millennia. But in Botswana's Okavango Delta, the world's most awe-inspiring hunters are challenged not only by their waterlogged territory, but also by their formidable prey--the buffalo--who wield their massive horns with deadly accuracy. Pulsing with ancient rhythms of wild Africa, this harsh and eternal struggle is compelling, powerful, and poignant. Award-winning...