In a statement to BigGovernment.com:
The term “blood libel” has taken on a broad metaphorical meaning in public discourse. Although its historical origins were in theologically based false accusations against the Jews and the Jewish People, its current usage is far broader. I myself have used it to describe false accusations against the State of Israel by the Goldstone Report. There is nothing improper and certainly nothing anti-Semitic in Sarah Palin using the term to characterize what she reasonably believes are false accusations that her words or images may have caused a mentally disturbed individual to kill and maim. The fact that two of the victims are Jewish is utterly irrelevant to the propriety of using this widely used term.