Scholars detail Rangers' violence in a border war against Mexicans WACO - Back east, for social cachet there is nothing like an ancestor on the Mayflower. In Texas, it is a Texas Ranger in the family tree. Here at the Texas Ranger Hall of Fame and Museum, some of the most avid visitors come in search of connections to the men who won the West and, it was said, would charge hell with a bucket of water. But Southern Methodist University in Dallas says new historical accounts are casting the long-revered fighters of outlaws and Indians in a decidedly darker...