Dan Roberts and Spencer Ackerman and Alan TravisGuardian.co.ukJune 12, 2013 Anger was mounting in Congress on Tuesday night as politicians, briefed for the first time after revelations about the government’s surveillance dragnet, vowed to rein in a system that one said amounted to “spying on Americans”. Intelligence chiefs and FBI officials had hoped that the … Continue reading NSA surveillance: anger mounts in Congress at ‘spying on Americans’