Bulk data storage allows for the "potential of abuse", President Obama has said, as he announced plans to curb the National Security Agency's authority.
"While few doubt the legitimacy of spying on hostile states, individuals acting on their own is a new threat," Mr Obama said.
"These signals intelligence efforts have prevented multiple attacks and saved innocent lives, not just in the United States but around the globe. But the risk of government overreach has also become more pronounced".
More top news
The death of Boris Nemtsov hits particularly hard because he represented what post-Communist Russia might have become.
Dad Kyle Johnson claims a bus driver threatened to kick him and his two-year-old son Ethan off unless the deaf toddler quietened down.
A cheerless start to the weekend will go further downhill as cloud, wind and rain spreads in from the west.