ALAN DERSHOWITZ ON THE HOLOCAUST: MANY VILLAINS, FEW HEROES:

There were also the countries that refused to accept Jews who might have escaped the Nazis had they been permitted to enter. These countries include the United States, Canada, and many other potential places of asylum that shut their doors. In the United States and Canada too, there were heroes who pressed their leaders to do more, but for the most part they failed.

Many Arab and Muslim leaders also played ignoble roles, siding with the Nazis and conducting their own pogroms against local Jews. The leading villain in this regard was the Grand Mufti of Jerusalem, who joined Hitler in Berlin and played a hands-on role in sending Jews to their deaths and in keeping the doors of Palestine closed to Jewish refugees.

Somebody tell Ken Livingstone.