It's often claimed that William Shakespeare was, is, and perhaps will ever be the greatest writer to have lived. But is the man credited with the immortal oeuvre that includes "Hamlet," "Macbeth," "King Lear," "Romeo and Juliet," and others really the genius behind the words...or did contemporary Christopher Marlowe secretly pen some of the Bard's greatest plays? This "Frontline" program explores the oft-discussed literary imbroglio. 90 min. Standard; Soundtrack: English.