Quote: Senator Barack Obama tackles the "lipstick on a pig" controversy and other campaign issues in an appearance on "The Late Show with David Letterman."
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But the backdrops peel and the sets give way and the cast get eaten by the play, there's a murderer at the matinee, there are dead men in the aisles
And the patrons and the actors too are uncertain if the show is through and with sidelong looks await their cue, but the frozen mask just smiles
