As a traditional Jew, I have benefited personally from the hospitality of Chabad Hasidim on many occasions, and I marvel at how many Jews Chabad has brought back to their primordial home.

Many of us, both Jews and Christians, want the public square to be pluralistic, which is neither partisan nor naked.

And unto the Jews I became as a Jew, that I might gain the Jews; to them that are under the law, as under the law, that I might gain them that are under the law; / To them that are without law, as without law, (being not without law to God, but under the law to Christ,) that I might gain them that are without law.

In terms of defending Jews, I'm a Jew.

In historical messianism, the reign of the Messiah is brought about by a Jewish ruler powerful enough to gather the Jewish exiles back to the land of Israel, reestablish a Torah government there, and rebuild the Temple in Jerusalem.

Jewish status is defined by the divine election of Israel and his descendants. One does not become a Jew by one's own volition.