Moving Toward A Police State, Inheriting A Deadly Disease, Hitler and Heroin

MSNBC host Chris Hayes argues that the U.S. is drifting toward a police state that venerates the law and obsesses over order at the risk of civil rights. Author Joselin Linder explores a fatal illness that has affected generations of her family. Author Norman Ohler discusses the history of drug use by Hitler and the Nazis during World War II.