A Madman's Macbeth
There are more than 20 roles in William Shakespeare's tragedy Macbeth. But a recent new production of the play at the Lincoln Center Festival featured only a single performer speaking all the lines, telling the entire story. The challenge of this one-man version of the Scottish play was undertaken by, appropriately enough, a Scottish actor: Alan Cumming, currently on television's "The Good Wife," and a Tony winner …