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He Murdered His Friends, Now 'Iago' Moves On

Shakespeare's Iago is one of the great defining villains of literature. He masquerades as a friend, which disguises his schemes to manipulate, betray and destroy. Host Scott Simon talks with author David Snodin, whose new book, Iago, fills in what happened after Iago masterminded the murders of his wife, Othello and Desdemona.