Judge's order over Apple encryption unlocks privacy concerns

Since the San Bernardino attack, the FBI has been trying to read the contents of a cell phone used by attacker Syed Farook, made impossible by encryption. Now Apple CEO Tim Cook is rejecting a federal court order to create software to unlock the device. Gwen Ifill talks to Stewart Baker, former assistant secretary of Homeland Security, and Nate Cardozo of the Electronic Frontier Foundation.