I don't think this was posted at the time it happpened. From Q&A at March 20 NYC meeting.
Rather surprised he even knew what it was. Audio is muffled but key excerpts:
It's intriguing, but I don't see it as practical...showing tendency within the public to seek something which is better money than a promise to pay...I'm sure that if if I was a techie I'd like to get it...but I'm having a hard time thinking that Bitcoin is going to be any better than a Krugerrand or Maple Leaf...
http://www.youtube.com/watch?feature=player_embedded&v=OTq76iBaBbcEspecially for someone his age, this is a relatively moderate goldbug position as opposed to, say, Schiff or Pento.