WATCH LIVE: President Obama delivers remarks at Brandenburg Gate in Germany
VIDEO: http://nbcnews.to/11LqtyP
NSA director says surveillance programs have helped prevent over 50 potential terrorist events since 9/11
WATCH LIVE: http://nbcnews.to/1bRsLC3
Just in: Supreme Court strikes down Arizona law that requires people to show proof of citizenship to vote
olice officer injured in shootout with Boston Marathon bombing suspects released from the hospital - via 7 News - WHDH
Story: http://nbcnews.to/198FTTX




