A key paragraph, regarding that old wheeze that Pius XII was "Hitler's Pope:"
Curiously, nearly everyone pressing this line today—from the ex-seminarians John Cornwell and Garry Wills to the ex-priest James Carroll—is a lapsed or angry Catholic. For Jewish leaders of a previous generation, the campaign against Pius XII would have been a source of shock. During and after the war, many well-known Jews—Albert Einstein, Golda Meir, Moshe Sharett, Rabbi Isaac Herzog, and innumerable others—publicly expressed their gratitude in Pius. In his 1967 book Three Popes and the Jews, the diplomat Pinchas Lapide (who served as Israeli consul in Milan and interviewed Italian Holocaust survivors) declared Pius XII “was instrumental in saving at least 700,000, but probably as many as 860,000 Jews from certain death at Nazi hands.”
Read the whole thing. And please...use the brains the Good Lord gave you, if you choose to do so.