Pence can't even be up on the stage without his wife since he's not allowed to be alone with another woman in any circumstance. The wall fixes that.
If the debate commission says they won't set up a plexiglass barrier Harris should bring her own. Set it up and dare Pence to back out of the debate.
Jamie Harrison did just this in his debate with Lindsey Graham. And sure enough it made one candidate look a lot more serious about Covid-19 than the other one.
Trump must have brought Pence into his office and tore his ass a new one while asking him to get up close and let him breathe on him.