So we've gone from "Covid definitely didn't come from a lab, and anyone who says it might have is a racist conspiracy theorist" to "There's a reasonable chance Covid did come from a lab, but anyone (else) who says it might have is a racist conspiracy theorist". Progress, I suppose.<p><i>But you’re also witnessing the manufacture of uncertainty.</i><p>Please. We're witnessing the collapse of the unwarranted certainty that much of the media has been trying to impose from day one.