Dear Abby: Chatty ghastly bigot wants to visit

Dear Abby: I have an acquaintance I became friendly with 20 years ago through a mutual friend. The acquaintance now lives in another state. She is a taker and a talker, and I have nothing in common with her. She has made antisemitic comments that left me speechless and unable to respond. I regret not being able to speak up at that time. This woman stayed with me at my house a few years ago, which was awkward and uncomfortable. I respond to her texts out of politeness. I do...