I think blood libel is a quite proper metaphor and creatively apropos.
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Utter nonsense, Blood Sport has always meant any sport that involves killing such as cock-fighting, fox hunting or in recent times martial arts like cage fighting. It's meaning vis a vis the Clintons was clear and not in any way a version of Blood Libel.
See, you guys have to create false connections to explain the stupidity of the term's usage. That's spin...and if you are spinning it's because you're wrong to begin with.
But we have a lot of PDS RINOs around here eager to help the Left destroy her.