As a general rule, the names of professional sports teams, and their connotations, are of little concern. No one cares that the Chicago White Sox don't wear white socks, or that Utah, where the NBA's Jazz are based, is the last place you'd think of when you think of jazz. But the Washington Redskins are different. Their name is a big deal. A group of Native Americans is pursuing a suit to strip the name of federal trademark protection. A few publications have stopped using the term in stories about the team. In May, 10 members of Congress wrote team...