When Bronwen Dickey brought her new dog home, she saw no traces of the infamous viciousness in her affectionate, timid pit bull. Which made her wonder: how had the breed-beloved by Teddy Roosevelt, Helen Keller, TV's "Little Rascals"-come to be known as a brutal fighter? Her search for answers takes her from nineteenth-century New York City dogfighting pits-the cruelty of which drew the attention of the recently formed ASPCA-to early twentieth-century movie sets where pit bulls cavorted with Fat .
