Back when magic tricks were something I did without irony, Michael Ammar was one of the best names to start learning with. His how-to videos were slightly dated, and his gentle, fatherly style of performance at a green felt table suggested that pejorative term “parlor trick”, although his illusions were neither cheesy nor dull. It’s been years since I’d heard his name, until he popped up on The Late Show with David Letterman last month. His presentation has been updated a little, and it ends on a great (and unexpected) note.