That has nothing to do with it. He's got a long history of writing and publications being against Israel and Jews. He used to publish a newsletter that was very anti semitic, then tried to wiggle away by saying the news letter had nothing to do with him.
Paul was also against the Civil Rights Act. If it means anything.
The name of it? A location where I can find it? An archived news article?
I know that his son is pro-segregation in an indirect way. Are you sure that you don't have him mixed up with his son RAND PAUL?
The atmosphere is such these days, that if one says that they would rather not kill 100,000 muslims, they're suddenly anti-Semitic. It's so abused today, it's beginning to lose its sting. I would suggest using something along the lines of anti-Jewish, or anti-Holocaust Survivor. A few asshats have overused the term.