a) "blood libel" only applies to libels against Jews, and cannot be applied to other libels, and
b) Sarah Palin crossed a line of moral offense (of course she did) by appropriating the term and applying it to what media liberals are doing with their campaign of personal destruction, in trying to pin the murders on her.
These liberals must be OUTRAGED that Denzel Washington kept correcting people in “Crimson Tide” when he emphasized “nuclear HOLOCAUST!”
What about the congresswoman who is a Jew?