Anti-war demonstrator Cindy Sheehan was hospitalized Friday evening for dehydration and exhaustion after fasting for more than a month and protesting earlier this week in 100-degree weather, 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. (SNIP) Sheehan, who has been on a liquid diet as part of the nationwide "Troops Home Fast" hunger strike, had been treated and released from a Seattle emergency room Thursday night. On doctors orders, she ate for the first time in about 37 days,