Only on the "CBS This Morning" podcast, science fiction author Blake Crouch joins "CBS Evening News" anchor Jeff Glor to discuss his forthcoming book "Recursion." Known for the "Wayward Pines" trilogy and "Dark Matter," Crouch explains how his books are a form of therapy in reverse. Set for release in June, "Recursion" examines the possibility of manipulating our memories; and has already been picked up by Netflix and Shonda Rhimes. Crouch also shares his writing process and why last portion of "Recursion" was thrown out and rewritten.