Divisions created by social media and the internet; the impact of talk radio; looking back at past times of division in the U.S.; singer/songwriter John Legend; Wyoming's struggles with vast differences in wealth between rich and poor; Ted Koppel interviews Noman Lear; anonymous
Starts: Jane Pauley, Margaret Brennan, Ted Koppel, Jim Axelrod, Lee Cowan, John Dickerson, Jim Gaffigan, Norman Lear, John Legend, David Pogue, Mo Rocca