e most controversial Jewish leader in the 20th century. He formed the Jewish Defense League in the USA and the KACH movement in Israel. Rabbi Meir Kahane wrote "The Ideology of Kach" in 1990 (just before his assassination). It is a summary of his political activism and its religious basis, as expressed in his major works such as They Must Go, Why Be Jewish?, and The Jewish Idea. "The Ideology of Kach," Rabbi Kahane's last finished work, is now, for the first time, available to the public. Rabbi Kahane gave his life for the ideas in this book.