“When someone is acting heartlessly, we say, ‘Your blood is blue.’ And then we normally add, ‘Like the Jews.’” The other students chuckled and some glanced in my direction, waiting for my response or perhaps my permission. I laughed. After all, this language lesson’s bigotry was very tame compared to other conversations I had had in Jordan. One of my parents is Jewish, and my Jewish identity has always been light, but for those Americans and Arabs I discussed my heritage with, I might as well have been wearing payots, tzitzis, and a star of David skullcap.
http://www.thecrimson.com/article/2011/10/3/arab-world-antisemitism-jews/