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Senate takes up controversial surveillance reform bill

America's top intelligence and justice department officials are backing surveillance reforms that civil libertarians say are too weak.

National Security Agency Deputy Director Richard Ledgett, Principal Deputy Director of National Intelligence Stephanie O'Sullivan, Deputy Attorney General James Cole, and FBI Deputy Director Mark Giuliano testify during a hearing before the Senate (Select
National Security Agency Deputy Director Richard Ledgett, Principal Deputy Director of National Intelligence Stephanie O'Sullivan, Deputy Attorney General James Cole, and FBI Deputy Director Mark Giuliano testify during a hearing before the Senate (Select) Intelligence Committee June 5, 2014.Getty Images

Adam Serwer