Mackenzie Astin: The #MackAttack interview

Mackenzie "Mack" Astin, who plays both Richard and Reynard on "The Magicians," joins Physical Kids Weekly to talk about his characters and the show's departures from the books. Mack talks about trauma, addiction, and the responsibilities of storytellers when dealing with emotionally difficult material...plus what it was like to grow up with a hobbit for a half-brother.