Is a Halloween witch costume antisemitic?

The witch halloween costume : pointy witch hat, long hooked nose-- and anti-semitism?! The history of witch costumes and anti-semitic stereotypes goes back further than the witch trials to the middle ages, when Jews and witches were considered one and the same. Turns out, this harmless-seeming witch Halloween costume has a problematic history, and as a Jewish dress historian, I'm here to explain it.