WashU Expert: Forget plexiglass, debaters just need 4.5 feet, smart airflow

Two people, facing each other, talking — let’s call it “excitedly” — are probably the most important ingredients for a debate. They are also a recipe for disaster if one of those two people has a highly contagious virus that has been shown time and again to be transmitted through the air.Taking a cue perhaps from South Carolina Sen.