To err is human. To really screw up requires team effort. Everyone cheers the clubs that win pennants, but what about the doormats who made their triumphs possible? It's time to give baseball's lousiest teams their due. Here they are: The 1904 Washington Senators, whose only good player, a thirty-five-year-old star hitter, took a dive (fatally, into Niagara Falls); the 1935 Boston Braves, who set the National League standard for losing percentage...