Here are the great stories of the Blackfeet, recorded by the famous conservationist and ethnologist, George Bird Grinnell, who became a tribal member in 1885. The Nizitapi, or Real People, as they call each other, were people of the buffalo. They originated on the plains of today's southern Alberta, western Saskatchewan, and central Montana. Famed frontier artist George Catlin called the Blackfeet "the most powerful tribe of Indians on the continent."...