The White House said there may need to be additional constraints placed on America's spy agencies after a series of embarrassing disclosures about the broad scope of US intelligence gathering.
"We recognize there needs to be additional constraints on how we gather and use intelligence," said White House spokesman Jay Carney.
The White House has said its review of US intelligence-gathering procedures will be completed by the end of the year.
More top news
Patients are waiting hours in an accident and emergency department due to failings in care, a report into an under-fire trust has said.
A report into the care of people with learning disabilities has called for "immediate action" to protect patients.
A high number of people are fed-up with getting cold calls and want the government to do more to stop them.