Shapiro's answers way too simplistic (a theme with him ) all depends if nature or nurture are our driving force . I also point out that just because alternate Hitler doesn't try and exterminate the Jews doesn't mean he becomes a good person . It may be the fact he becomes evil anyway and for all we know does something even worst . You can't take complex interactions like this and definitively one way or the other .
Seek strength, not to be greater than my brother, but to fight my greatest enemy -- myself.
Inuit Proverb
Inuit Proverb