Mealey's (March 10, 2021, 2:44 PM EST) -- RICHMOND, Va. — A Fourth Circuit U.S. Court of Appeals panel heard oral argument March 9 about whether coworker testimony about a man’s work at a facility where workers installed and removed a second company’s asbestos-containing insulation should send a case to a jury and whether allowing juries to consider such de minimus asbestos exposures would completely destroy the substantial causation standard....