“Boofed” in the 1980s was a term that often referred to anal sex, and that is how Judge Kavanaugh’s classmates said they interpreted his comment. They said they had never heard it used to refer to flatulence."

Now Whitehouse couldn't call Kavanaugh a liar when he first heard the flatulence definition because maybe it was one used by those boys. But a video tape or interview with the people in the prep session, speaking under oath, could show how they worked to purposefully misrepresented the meaning of multiple important words and phrases, with the knowledge that they were false. Kavanaugh would benefit if the senate believed the serial lies and acted by voting to confirm him.

1) His lawyers are too smart
The prep team, filled with lawyers, would know that it would be difficult to prove Kavanaugh made a false statement or perjured himself, especially if there was no evidence of his intent.  It would be difficult to verify what a term meant at the time among this small group, since only one would be testifying. Dictionaries often have multiple definitions for words like ralph. The questioners would have no way to prove that regional slang or in-jokes didn't mean what they said it meant.

Questioning other people about what they knew the term meant at the time would be based on their understanding, not Kavanaugh's, therefore the terms would still be open to his interpretation.

Also, the $1,400 dollars an hour lawyers will try to ensure no congressional committee sees any video. Bill Barr will try to claim Executive Privilege. Every lawyer involved will make Kavanaugh his client so advice and conversations could be covered by attorney client privilege.

2) The White House is behind him 
Kavanaugh'sperformance was designed to follow Trump's "deny, lie and attack" method. Kavanaugh could not follow the "apologize, acknowledge mistakes and move on" method. But here's the problem, not everyone can lie as easily as Trump. When Kavanaugh used other peoples' definitions of certain phrases, instead of what he knew to be true, it showed up as false in his delivery. But the delivery at the hearing isn't evidence of his deceit or his intent. But the video of his prep could show.

3) Any video was destroyed or never existed 
I try not to underestimate the cunning of this gang of thieves. But I also know that people around them know how to protect themselves when dealing with liars and con-men. Remember Omarosa's unauthorized recording of her firing in the situation room?

Would recordings of the prep in the White House fall under the of Presidential records act? Will they be mysteriously deleted by the ghost of Rosemary Woods?

4) Powerful people have and control any videos
There is a reason Epstein got a obscenely light sentence for child rape and human trafficking.  He had, and controlled, the videos of people doing and saying things they didn't want others to know about.

Recordings are leverage. People with leverage, like Hope Hicks, negotiate jobs and get their lawyers paid for. Other people get paid off or threatened if they speak out.

5) What you see isn't real. Fake News!
If the video makes it to the media, the professional spinners will be unleashed. "This is normal. No crimes were committed. It's just a difference of opinion yada, yada, yada."  Then expect dozens of people to start talking about how they played Devil's Triangle while farting during the 80's.

We don't have to go back to 1982 to get evidence of Kavanaugh lying about the meaning of words during his high school years. It's on a video made in 2018.

But the prep video wouldn't be the only evidence of Kavanaugh as a serial liar. First there was this story in Slate from my friend Lisa Graves, Judge Brett Kavanaugh should be impeached for lying during his  confirmation hearings.

Pema Levy and Dan Friendman wrote about all the "pesky documents that keep surfacing to contradict the nominee’s claims about his past" in Mother Jones. Five Times Brett Kavanaugh Appears to Have Lied to Congress While Under Oath

Elie Mystal, wrote in The Nation, The Time Has Come for Democrats to Impeach Brett Kavanaugh. about his ethics complaints and questions about his debt.

Republican Senator Cornyn gave a speech about the need for evidence from accusers.

This administration knows about the power of video. That is why they stop people from testifying in public in front of congress. That's why Don Jr. had a closed door hearing. They have strategies to suppress tapes like The Apprentice N-word tapes. When they can't suppress the tapes, they have strategies to attack the meanings of words, or dismiss the obvious intent. We've seen videos of the president saying horrible things followed by people going on TV and telling the world that what they saw and heard is not really what they saw and heard.

Sometimes we need video. Writing can't carry the nuance, vocal inflection, body language and emotion of a video. You can read the words on paper, but when you hear and see people rehearsing them over and over again, you will be able to see the willfulness and hear the intention to lie.

We won't know what videos are available until we ask, are rejected and then file subpoenas. But we must try. We sent Michael Cohen to jail for lying to congress, why wouldn't we investigate Kavanaugh for the same offense?

As Elie Mystal said, "Because removal requires a two-thirds majority in the Senate, I know some Democrats will say that bringing charges against Brett Kavanaugh—impeaching him—is pointless. [But] laws must be upheld, and the Constitution must be defended, whether Republicans join the effort or not."