NSA Domestic Communication Collection Raises More Questions

Aired: 8/21/2013 | 0:06:55 | Clip
Newly declassified NSA documents show that for three years surveillance programs scooped up more than 50,000 personal emails per year from Americans who had no relation to terrorism. Margaret Warner talks to Siobhan Gorman of The Wall Street Journal about the significance of NSA's broad capability to intercept domestic messages.