I was really fascinated by politics. It always has been part of my view that politics really is a calling or you wouldn't go into it, because it's demanding and potentially has a toll on you and your family.
But things such as 'Harry Potter', all I can do is shape my character, seek the director's approval on that, and basically take it from there. Professor Flitwick in 'Harry Potter', I kind of defined how I saw him from reading the book, and luckily that matched up with the director's vision.