'Spying on Americans': angry Congress demands straight answers on NSA - Guardian

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". - NSA surveillance: anger mounts in Congress at 'spying on Americans'
Obama administration under pressure as US senators demand end to secrecy - The NSA files