Are you a cat person? Even if you're not, Senator Pamela Wallin wants to change your mind about our feline friends. In her new book, CATS, Senator Wallin delves deeply into the world of our kitty companions. Using scientific study, personal anecdotes and historical quotes, CATS explores the power that cats can have in our lives, ranging from psychological healing to their amazing physical attributes. In this 1on1, we speak to Senator Wallin about how her cat changed her life, the healing power of purring and the psychological differences between cats and dogs.