Episode 4

Overview

This week's broadcast, hosted by Jane Pauley, features Brook Silva-Braga's exploration of the anti-science Flat Earth movement. Also: Tony Dokoupil looks at the "Pink Wave" of this year's midterm elections; Gayle King profiles singer Tina Turner; Mark Strassmann checks out an unusual public art project in Atlanta; and David Martin looks back on the greatest battle of the Korean War.