Astrophysicist Neil Degrasse Tyson discusses new book "Starry Messenger"
Astrophysicist Neil Degrasse Tyson is bringing a cosmic perspective to life on Earth. He joins "CBS Mornings" to discuss his new book "Starry Messenger: Cosmic Perspectives on Civilization," and why he thinks it's time humans bring a scientific lens to issues like race, politics and the law.