After the briefing, Sen. Carl LevinCarl LevinTrump and GOP wise to keep tax reform and infrastructure separate Former senator investigated man in Trump Jr. meeting for money laundering Dems abuse yet another Senate tradition to block Trump's agenda MORE (D-Mich.), the chairman of the Senate Armed Services Committee, told reporters the Obama administration was in the process of preparing a public information release that would attempt to address many of the privacy concerns that have been raised about the domestic programs.

National security and intelligence officials have been conducting a series of public and private briefings over the last two weeks after lawmakers criticized the NSA's programs as lacking sufficient oversight.