Senators talk together in the the Russell Senate Office Building after leaving a January 16 news conference about proposed reforms to FISA. The Senate has reauthorized Section 702 of the act in a move that could put journalists at risk. (Chip Somodevilla/Getty Images/AFP)
Senators talk together in the the Russell Senate Office Building after leaving a January 16 news conference about proposed reforms to FISA. The Senate has reauthorized Section 702 of the act in a move that could put journalists at risk. (Chip Somodevilla/Getty Images/AFP)

How US vote to extend NSA program could expose journalists to surveillance