Although the right to trial by jury is enshrined in the U.S. Constitution, in recent years both criminal and civil juries have been criticized as incompetent, biased, and irresponsible. For example, the O.J. Simpson criminal jury's verdict produced a racial divide in opinions about that trial. And many Americans still hold strong views about the jury that awarded millions of dollars to a woman who spilled a cup of McDonald's coffee on herself. It's...