“The US electronic spying chief has said massive surveillance programmes newly revealed by an ex-intelligence worker had disrupted dozens of terror plots.
In a US Senate hearing, National Security Agency (NSA) Director Keith Alexander defended the internet and telephone data snooping programmes.
Also, US Secretary of State John Kerry said they showed a ‘delicate but vital balance’ between privacy and security.”
Source:BBC News – NSA chief says data disrupted ‘dozens’ of plots
