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In one of this author's poems, a birthmark that was "shaped for luck" allows the wife of a serial killer to identify their son,  who returns to his parents' tavern and is mistaken for one of their targets. Another poem by this person imagines hearing  history dripping "in darkness like the leaking pipe in a cellar." One of this writer's characters gains popularity after a  fire-escape collapse kills three schoolchildren. This person wrote a folk- ballad about Billie Potts and used soaring hawk  imagery in the poems "The Heart of Autumn," (*) "Mortal Limit," and "Evening Hawk," collected in Promises and Now and Then. This author repudiated "The Briar Patch," his pro-segregationist contribution to the Southern manifesto I'll Take My Stand.  The narrator of one of this writer's novels learns that his real father is not "the Scholarly Attorney," theorizes "The Great Twitch,"  and researches his ancestor Cass Mastern. For 10 points, name this author who wrote about Jack Burden in All the King's Men.
In one of this author's poems, a birthmark that was "shaped for luck" allows the wife of a serial killer to identify their son,  who returns to his parents' tavern and is mistaken for one of their targets.
Robert Penn Warren