The US has moved to reassure the French president Francois Hollande that it's reviewing its intelligence gathering methods following reports of aggressive surveillance.
A French newspaper claims America's National Security Agency spied on more than 70 million French phone calls in a 30-day period.
President Barack Obama says policies will be reviewed in order to ensure a balance between security and privacy.
Elaine Cobb, CBS news reporter based in Paris, says the surveillance of France cannot be defended as anti-terrorism:
