Only on the "CBS This Morning" podcast, Emmy winner Elisabeth Moss, the star and executive producer of Hulu's "The Handmaid's Tale," joins co-host Gayle King to discuss the show's third season. The series takes place in the fictional land of Gilead, a society where women's rights are restricted. Moss shares the impact the groundbreaking show has had and calls her character, Offred, a "testament to the power of human strength." Plus, Moss discusses her decades-long career playing complex characters, including Zoey Bartlet in "The West Wing" and Peggy Olson in "Mad Men."