Shields and Gerson on cyber-attacks after Sony

Aired: 12/26/2014 | 0:12:34 | Clip
Syndicated columnist Mark Shields and Washington Post columnist Michael Gerson join Judy Woodruff to discuss this week’s news, including the state of race relations in America in the wake of continuing protests and the killing of two New York police officers, what the hacking of Sony Pictures means for cyber-security in the future and the balance of power between Congress and the president.