Here is a 3part interview with nolan about memento.
http://www.youtube.com/watch?v=gIFxNq_o ... re=channelPart 1
http://www.youtube.com/watch?v=qYbNFxtG ... re=channelPart 2
http://www.youtube.com/watch?v=CYO-zUdU ... re=relatedPart 3
http://www.youtube.com/watch?v=gIFxNq_o ... re=channelPart 1
http://www.youtube.com/watch?v=qYbNFxtG ... re=channelPart 2
http://www.youtube.com/watch?v=CYO-zUdU ... re=relatedPart 3