Andrea Mitchell Reports 06/18/13

Lawmakers want to know how NSA leak gained broad access

Some of the top individuals within the intelligence community said the programs under the national scrutiny after leaks by Edward Snowden have been critical to preventing at least 10 homeland-based threats. Former Secretary of Defense William Cohen discusses, saying “we have too many people that have access to top secret clearances.” ... more Duration: {{video.duration.momentjs}}