Andrea Mitchell Reports 08/30/16

How serious is the threat of Russian hacking?

U.S. intelligence officials tell NBC News that Russian-based hackers have been trying to break into voter registration databases in Arizona and Illinois. Rep. Adam Schiff (D-CA), ranking member of the House Intelligence Committee, explains the extent of the hackers’ capabilities and what precautions can be taken for the general election. ... more Duration: {{video.duration.momentjs}}