Yes, very comfortable in the company of antisemites, racists and anti-American activists from the benign to terrorists. This goes directly to his judgement, and should have been an issue in the campaign, since through his association he legitimizes these views, unfortunately McCain not only refused to raise it, but assured us it wasn’t an issue. However it’s difficult to make a definitive case that he dislikes Jews, or whites.
It's even difficult to make a definitive case that the man is a native-born US citizen. (He isn't a natural-born citizen in any case.) His origins are shrouded in mystery, as a former rabbi of mine used to say. And not much is really known about what happened to him after that.
ML/NJ
At this point in his plans, he's willing to be friendly to anyone who supports his radical politics and his pro-Islamist worldview, which includes most of the Jewish Democrats to whom he's given some plum appointments. Those are the kinds of Jews who will be at the WH Seder.
But just remember a lesson from history: many Jews in the Soviet Union were welcomed in the Communist Party apparatus at the beginning, but were later ruthlessly purged and murdered, while state policy eventually prohibited any semblance of Jewish religious or cultural or ethnic expression.