We are living in a time of sharp divides in our country: divides along political, racial and social lines. Those divides have even extended into the realm of science. For example, those who deny climate change is the result of human behavior continue to hold these beliefs despite overwhelming scientific evidence disproving their views. The degree to which people dismiss evidenced based science is unprecedented in modern times, yet there are points in human history similar to today. On The Point, we talk with astrophysicist Mario Livio about his latest book Galileo and the Science Deniers.