Anti-war demonstrator Cindy Sheehan was undergoing a minor gynecological procedure Friday evening in a hospital where she was also being treated for dehydration and exhaustion, friends and relatives said. Sheehan was listed in stable condition at Providence Health Center in Waco. Brenda Mauk, a nursing supervisor, declined to release additional information. Sheehan was taken to the Waco hospital after friends picked her up Friday afternoon at the Dallas-Fort Worth International Airport, where she arrived after spending several days in Seattle at the Veterans for Peace Convention, said Tiffany Burns, Sheehan's friend. Sheehan, who has been on a liquid diet as...