The White House was under intense pressure on Sunday to reveal the extent to which President Barack Obama knew about or even authorised US surveillance operations targeting the leaders of allied countries.
The US is facing a full-scale diplomatic crisis over the disclosure that the National Security Agency monitored the phone conversations of at least 35 world leaders, including the German chancellor, Angela Merkel.
Read more...White House under pressure on NSA monitoring of German chancellor | World news | theguardian.com
