…The House has its share of infamies, great and small, real and symbolic, and has been the scene of personal infamies from brawls to canings. But the conduct of Speaker Nancy Pelosi (D-Calif.) at the State of the Union address this week will go down as a day of infamy for the chamber as an institution. It has long been a tradition for House Speakers to remain stoic and neutral in listening to the address. However, Pelosi seemed to be intent on mocking President Trump from behind his back with sophomoric facial grimaces and head shaking, culminating in her ripping up a copy of his address.

Her drop the mic moment will have a lasting impact on the House. While many will celebrate her trolling of the president, she tore up something far more important than a speech. Pelosi has shredded decades of tradition, decorum and civility that the nation could use now more than ever. The House Speaker is more than a political partisan, particularly when carrying out functions such as the State of the Union address. A president appears in the House as a guest of both chambers of Congress. The House Speaker represents not her party or herself but the entirety of the chamber. At that moment, she must transcend her own political ambitions and loyalties.

Tensions for this address were high. The House impeachment managers sat as a group in front of the president as a reminder of the ongoing trial. That can be excused as a silent but pointed message from the Democrats. Trump hardly covered himself with glory by not shaking hands with Pelosi. I also strongly disliked elements of his address which bordered on “check under your seat” moments, and the awarding of conservative radio host Rush Limbaugh with the Presidential Medal of Freedom inside the House gallery like a Mardi Gras bead toss. However, if Trump made the State of the Union look like Oprah, then Pelosi made it look like Jerry Springer.

What followed was an utter disgrace. First, Pelosi dropped the traditional greeting before the start of the address, “Members of Congress, I have the high privilege and distinct honor of presenting to you the president of the United States.” Instead, she simply announced, “Members of Congress, the president of the United States.” It was extremely petty and profoundly inappropriate. Putting aside the fact that this is not her tradition, but that of the House, it is no excuse to note that the president was impeached.

Such an indignity was not imposed on President Clinton during his own impeachment proceeding, and anyone respecting due process would note that Trump has been accused, not convicted, at this point in the constitutional process. Pelosi proceeded to repeatedly shake her head, mouth words to others, and visibly disagree with the address. It was like some distempered distracting performance art behind the president.

My revulsion over this has nothing to do with impeachment. Ten years ago, I wrote a column denouncing Supreme Court Associate Justice Samuel Alito for mouthing the words “not true” when President Obama used his address to criticize the court for its decision in the Citizens United case. I considered his response to be a disgrace and wrote a column criticizing Chief Justice John Roberts for not publicly chastising Alito for breach of tradition. Instead, Roberts seemed to defend Alito in criticizing Obama for his “very troubling” language and saying that it was unfair to criticize the court when the justices, “according to the requirements of protocol,” have “to sit there expressionless.” That was not unfair. That was being judicious.

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Pelosi has demolished decades of tradition with this poorly considered moment. Of course, many will celebrate her conduct and be thrilled by the insult to Trump. However, even those of us who disagree with his policies should consider what Pelosi destroyed in her moment of rage. She shredded the pretense of governing with civility and dignity in the House. Notably, she did not wait to rip up her copy of the speech until after she left the House floor. Pelosi wanted to do it at the end of the speech, in front of the camera, with the president still in the chamber.

That act was more important to Pelosi than preserving the tradition of her office. In doing so, she forfeited the right to occupy that office. If Pelosi cannot maintain the dignity and neutrality of her office at the State of the Union, she should resign as the Speaker of the House of Representatives.