Reviewed by GREG KING. HITLER'S CHILDREN is a raw and powerfully moving documentary that looks at five relatives of some of the top architects of the Nazi's policies of racial hatred and genocide, and explores how they deal with the guilt and living with the legacy of their names. Bettina Goering is the niece of Herman Goering, one of the most powerful of Hitler's coterie, and she talks of her horror of living with …