What are the rules for the US vice-presidential debate?

There usually isn’t much drama about the seating arrangements at vice-presidential debates.

But what would 2020 be without a little back-and-forth over how much of the same air is shared by Vice President Mike Pence and Sen. Kamala Harris of California?

This week, as the scope of the White House coronavirus outbreak became clear — with positive tests now for President Donald Trump, Melania Trump and at least eight aides, along with his campaign manager, the Republican National Committee chairwoman and three Republican senators — Pence’s aides have publicly mocked Harris for seeking protection from the air breathed out by the vice president during Wednesday’s debate at the University of Utah in Salt Lake City.

Also read: Mike Pence-Kamala Harris debate to unfold as Donald Trump recovers from coronavirus

The Commission on Presidential Debates will allow Harris and the debate’s moderator, Susan Page, the Washington bureau chief for USA Today, to surround themselves with plexiglass shields. Pence’s aides at first suggested he would not use one but Tuesday night told the commission he would.

There remained disgruntlement among the Harris camp about Pence’s exposure to Katie Miller, his press secretary. Miller’s husband, Stephen Miller, Trump’s top speechwriter and a policy aide tested positive for the virus Tuesday.

Katie Miller, who had the coronavirus earlier this year, left Salt Lake City on Tuesday after the commission prohibited her from attending the debate. On Monday, she had mocked Harris’ demands for a plexiglass shield.

“If Senator Harris wants to use a fortress around herself, have at it,” Miller told Politico.

Harris’ aides said the senator would participate in the debate.

Also read: Mike Pence's campaign role grows at key moment

“Senator Harris will be at the debate, respecting the protections that the Cleveland Clinic has put in place to promote safety for all concerned,” Sabrina Singh, Harris’ press secretary, said late Tuesday. “If the Trump administration’s war on masks has now become a war on safety shields, that tells you everything you need to know about why their Covid response is a failure.”

Wednesday’s debate won’t be the first instance in which a Democratic candidate insisted on a physical barrier when facing a Republican who had recently been in proximity to Trump and his top aides.

On Saturday night, Jaime Harrison, the Democrat challenging Sen. Lindsey Graham, R-SC, brought his own plexiglass shield to a debate in an effort to keep himself safe from Graham’s aerosols.

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Once the vice-presidential debate begins — provided both candidates actually show up — Pence and Harris will be seated 12 feet 3 inches apart, with Page seated a similar distance from them.

As at last week’s presidential debate between Trump and Joe Biden, there will be no handshake “or physical greeting” by the two vice-presidential candidates, according to the Commission on Presidential Debates.

Also read: Mike Pence, Kamala Harris all set for Vice-Presidential debate tomorrow

Pence, Harris and Page will not wear masks onstage, but everyone else in the audience will be required to do so.

“If anyone does not wear a mask, they will be escorted out,” read the protocols released this week by the debate commission.

There will be nine segments of 10 minutes each, with topics chosen by Page. She has not disclosed those topics publicly or to the campaigns.

Pence and Harris will both be tested for the coronavirus before taking the debate stage. The commission did not make clear what would happen if either of them tested positive.