The White House is intensifying its search for evidence that SARS-CoV-2 might have leaked from a Chinese Level 4 BSL laboratory called the Wuhan Institute of Virology in Wuhan. Democrats and their allies in the press have dismissed claims that the virus may have leaked either deliberately or accidentally, from the institute - citing the disappearance of a scientist suspected of being "patient zero" as possible evidence. American mainstream media have derided these suspicions as "evidence-free conspiracy theories", typically neglecting to mention that while there's only scant evidence of a leak, there seems to be some evidence of a...