"American intelligence and law enforcement investigators have concluded that they may never know the entirety of what the former National Security Agency contractor Edward J. Snowden extracted from classified government computers before leaving the United States, according to senior government officials."
"Mr. Snowden's disclosures set off a national debate about the expansion of the N.S.A.'s powers to spy both at home and abroad..."
"Mr. Snowden's disclosures set off a national debate about the expansion of the N.S.A.'s powers to spy both at home and abroad..."