Thread by @NBCNews

BREAKING: Read Special Counsel Mueller’s letter to AG Barr: "The summary letter ... did not fully capture the context, nature, and substance of the Office's work and conclusions."

March 24: AG Barr releases summary letter of Mueller report

March 25: Mueller sends letter to Barr with intro and executive summaries "marked with redactions"

March 27: Mueller requests Barr "provide these materials to Congress and authorize their public release at this time"

LIVE: AG Barr testifies before Senate on redacted Mueller report. nbcnews.to/2GZ8K6t pscp.tv/w/1ypKdvWNeZgJW

AG Barr on why he didn't fulfill Mueller's request to release the Mueller team's prepared summaries:

“I told Bob that I was not interested in putting out summaries and I wasn't going to put out the report piecemeal ... I wanted to get everything out at once.”

AG Barr argues that there is a difference on obstruction between the president saying “go fire Mueller” vs. “have him removed based on conflict.”

AG Barr tells the Senate that the Justice Dept. has "multiple criminal leak investigations underway."

AG Barr says he did not use the term "spying" as a pejorative term in relation to the special counsel investigation, and defends his usage by comparing use of the term in press coverage.

Sen. Whitehouse notes it is not commonly used by the DOJ. Barr retorts that it his by him.

WATCH: Sen. Whitehouse presses AG Barr on Justice Dept. guidance on potentially indicting a sitting president, agreeing that the OLC opinion could be tested in court and could be overruled by the judicial branch.

AG Barr defends himself against accusations he misled Congress about the Mueller team's concerns over his description of their findings. nbcnews.to/2GZ8K6t

LIVE: AG Barr resumes testimony before Senate on redacted Mueller report. nbcnews.to/2GZ8K6t

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BREAKING: AG Barr to Congress: "No, I didn't exonerate" President Trump. "I said that we did not believe that there was sufficient evidence to establish an obstruction offense;" says Americans can decide for themselves. nbcnews.to/2GZ8K6t

AG Barr: "We have to stop using the criminal justice system as a political weapon." nbcnews.to/2GZ8K6t

Analysis: AG Barr's Senate appearance makes clear he and Special Counsel Mueller are at odds about Mueller's role, his findings, and even how unhappy Mueller is with Barr. nbcnews.to/2PFfzg5

Sen. Hirono to AG Barr: "Now the American people know that you are no different from Rudy Giuliani or Kellyanne Conway or any of the other people who sacrificed their once-decent reputation for the grifter and liar who sits in the Oval Office."

Senate Judiciary Cmte. Chairman Graham to Sen. Hirono: "You slandered this man from top to bottom."

During questioning from Sen. Harris, AG Barr says he and Deputy AG Rosenstein did not review the underlying evidence in the Mueller report before releasing his 4-page summary.

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WATCH: Full exchange between Sen. Harris and AG Barr on the redacted Mueller report. nbcnews.to/2GZ8K6t

After AG Barr hearing, Senate Judiciary Cmte Chairman Graham says he will not be calling Special Counsel Mueller before the committee, saying “this is over!” - @frankthorp