Yes, Chaim has said that Sliwa is Jew-hater.
Well, this goes against what I saw and heard with my own eyes. Maybe Curtis changed, I don't know. But a number of years ago, I saw him on TV praising the Jews. He couldn't say enough good things about Jews and how great they were for whatever country they lived in. I'd be curious to know how Chaim came to his conclusion about Curtis.