The Fugitive Slave Act & The 'Struggle For America's Soul'

Historian Andrew Delbanco says the 1850 law paved the way for the Civil War by endangering the lives of both escaped slaves and free black men and women in the North. His book, 'The War Before The War,' is now out in paperback.

Also, film critic Justin Chang reviews 'Marriage Story,' Noah Baumbach's new drama starring Adam Driver and Scarlett Johansson as a couple going through a divorce.