Short profile of Itamar Ben-Gvir, Knesset member and head of Israel's extreme right "Jewish Power" party, part of the Religious Zionism alliance bloc. For years seen as a fringe figure, Ben-Gvir entered mainstream politics, becoming the new national security minister, with the backing of Prime Minister Benjamin Netanyahu. SHORT PROFILE OF ITAMAR BEN-GVIR, HEAD OF ISRAEL'S FAR-RIGHT "JEWISH POWER" PARTY AND MEMBER OF THE KNESSET