Bill Moyers doesn’t usually load his show with old-fashioned star power, but his latest installment does just that. The guest is John Lithgow, who’s currently starring in the title role in the Public Theater’s Shakespeare in the Park free production of King Lear – and Moyers is set to ask him about the meaning and importance of free theater, and of acting… and, in this current, fast-moving century, of Shakespeare. For dates and times when this series runs in your a