World Leaders Meet As Surveillance Becomes Top Concern

President Barack Obama and British Prime Minister David Cameron are in the hot seat today as Group of Eight (G8) leaders meet in Northern Ireland.

Over the weekend, leak source Edward Snowden helped The Guardian newspaper report that Britain's eavesdropping agency GCHQ hacked into diplomats' phones and emails at international conferences hosted by the UK.

And the U.S. National Security Agency, Congressional intelligence committees and tech companies have been scrambling to defend top-secret surveillance programs that have been engaged in since 2006.