Your link says page not found ???
I think maybe it was the link to the Live Stream. Rally is over, so the link is nonfunctional. It may be on cspan, but not sure.
video:
http://www.youtube.com/watch?v=Yfgd9Q4QjCI
audio:
http://www.radioiowa.com/2012/11/03/the-door-is-open-says-romney-in-dubuque-audio/