On Saturday, October 28, and Sunday, October 29, a series of messages were posted on a listserv at Cornell University (my alma mater, as it happens), in which an individual made threats, among other things, to “stab and slit your throat,” directed toward any “pig male Jew” he saw. The messages continued with threats toward any “pig female Jew” (with rape now included) and any “pig baby Jew,” whom he promised to “behead … in front of your parents.” An explicit threat of mass murder was also direc