Obama signs bill for curbs on NSA spy programme

US President Barack Obama has signed into law a landmark legislation that ends the government’s bulk telephone data dragnet, significantly reversing American policy by reining in the most controversial surveillance programme introduced after the 911 attacks. “This legislation will strengthen civil liberty safeguards and provide greater public confidence in these programmes,“ Obama said.The legislation will revive most of the programmes the Senate had allowed to lapse in a dizzying collision of presidential politics and national security policy.But the authorisation will undergo major changes, the legacy of former National Security Agency (NSA) contractor Edward Snowden’s explosive revelations two years ago about domestic spying by the government.