In 1997, a national environmental group charged that pollution from the poultry industry had turned the Potomac River into one of the 10 most endangered rivers in North America. More recently, fingers pointed at poultry farm runoff as the cause of a toxic microbe outbreak that killed fish in two Maryland streams. West Virginia officials say the state's chicken business is doing plenty to protect the environment. Are they right? Or is poultry really polluting the Potomac? Find out, in this special series published in October 1998.