Defenders and naysayers of Israel’s right to exist are marching. New York’s streets are teeming with 1960s-style protests that stop and snarl traffic. Jews and Gentiles are on either and both sides of the public quarrel over U.S. support for Israel. Mostly silent though have been the usual loudmouths of free speech — the NAACP, ACLU and National Urban League (NUL) brigade. I asked about this loud silence on the part of our civil rights figures at a recent meeting where the speaker was Marc Morial, president of the NUL: Why, in the midst of hateful attacks on Jews, and...