Lena Waithe on "Queen & Slim": Black people have to "create the heroes that we need"
Lena Waithe is the first black woman to win an Emmy Award for comedy writing. She also wrote the new movie, "Queen & Slim," which follows a black couple who accidentally kill a white police officer in self-defense during a traffic stop. Waithe joins "CBS This Morning" to discuss why her work is "protest art."