By Bobby Ross Jr. | The Associated Press BULL HOLLOW, Okla. — Ryan Mackey quietly sang a sacred Cherokee verse as he pulled a handful of tobacco out of a zip-close bag. Reaching over a barbed wire fence, he scattered the leaves onto the pasture where a growing herd of bison — popularly known as American buffalo — grazed in northeastern Oklahoma. The offering represented a reverent act of thanksgiving, … Continue reading Bison’s relocation to Native lands revives a spiritual bond