Researchers in Mexico have introduced a new coronavirus mask that covers only the nose, allowing those terrified over the virus to participate in the mask fad while nominally eating at the same time. CBS News touted the game-changing innovation in a video on Twitter. It’s totally unclear how this is even going to reduce transmission of the virus. Obviously, if you’re eating, viral molecules can still escape your open mouth or even your eyes. The science attesting to the utility of masks was always dubious, with death rates roughly the same- or even more- in jurisdictions that utilized mandatory mask...