She's a Harvard grad, an acclaimed actress and a humanitarian, but she says she's no role model. Her new movie is The Other Boleyn Girl. Natalie Portman will now take your questions
What have you learned about yourself by portraying powerful women? Dani Araya, Toronto
It has encouraged me to say things authoritatively. Often women preface what they say with "I know this might sound stupid" or "I don't mean to be aggressive, but ..." I tend to do that, so it is great to have the opportunity to play a leader.