The Hatfield-McCoy feud can in part be explained by a rare medical condition that causes rage
EDITORS: This story first ran in 2007. It is being republished as part of the AP’s Today in History package. ___ The most infamous feud in American folklore, the long-running battle between the Hatfields and McCoys, may be partly explained by a rare, inherited disease that can lead to hair-trigger rage and violent outbursts. Dozens