THE GREATEST WESTERN WRITER OF THE 21ST CENTURY In peace and war, he was the soul of a nation-and the flesh and blood of the American Frontier. It was a virgin land of vast horizons. a land of dreams and dust and blood, where men sought glory and hope died hard. But for Jamie Ian MacCallister, who'd grown to manhood among Indians and fought at the Alamo, war and wilderness were home. and survival was a way of life. From the battlegrounds of Texas to the Colorado Rockies and