Arsenic and Lace: The trial of the Yorkshire Witch. The true tale of Mary Bateman, the villainous Yorkshire Witch, who sold spells and enchantments to the desperate in the late 18th Century. Tim Hartford is joined on the Cautionary Tales podcast by Maddy Pelling, co-host of the After Dark podcast and author of “Hoax: Truth and Lies in the Age of Enlightenment.”