There is an ugly cynicism to the attack on Jimmy Carter that has been launched by Americans who well recognize that the former president's new book, "Palestine: Peace Not Apartheid," says nothing that has not already been said about the Middle East conflict by Israeli politicians and commentators. So why is Carter, a longtime friend of Israel and the Jewish people, being smeared as an anti-Semite for suggesting that the occupation by Israeli forces of Palestinian territory inspires troubling comparisons with the apartheid system that white South Africans once imposed on their country's black majority? One of Israel's most prominent...