The top Democrat on the Senate intelligence committee said that the Trump administration’s gradual efforts to block Democrats from briefings on national security matters is “against every norm of how national security policy has worked” and “an erosion of trust” with the public.

Watch Sen. Mark Warner’s remarks in the video player above.

Virginia Sen. Mark Warner said Thursday that a partisan briefing on the U.S. military’s boat strikes in waters off South America this week was “outrageous” and should have never happened.

READ MORE: A timeline of U.S. military strikes on boats off South America and what Congress has said

“Every United States senator ought to read in,” Warner told reporters. “And until that happens, I don’t know how you even begin to rebuild trust.”

Warner criticized

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