Part sports star, part antihero, part hip-hop icon, Allen Iverson has managed to cross over into the mainstream of American culture -- without compromise. Defiantly tattooed, with his hair in cornrows, the six-foot Philadelphia 76ers point guard is one of the most recognizable and controversial stars of the sports world. His meteoric rise from a troubled childhood in the ghetto to NBA superstardom has been marked by five straight playoff appearances,...