Democrats fail to take stance against anti-semitism

After the massacre at the Tree of Life synagogue in Pittsburgh last year, it really shouldn't be a struggle to condemn anti-Semitism. In fact, after the Holocaust, there shouldn't be any heavy moral lifting at all. It's a self-evident principle that hatred of Jews is anathema and strikes at the heart of everything civilized.

But last week, Nancy Pelosi had a problem getting her caucus to vote on a...