For anybody who missed it, C-Span just put up the video. About 35 minutes.
http://www.c-span.org/Events/VP-Candidate-Paul-Ryan-Speaks-to-Retirees-in-Florida/10737433225-1/
Thanks for the link! Here is another:
http://www.therightscoop.com/10am-watch-live-paul-ryan-talk-about-medicare-at-the-villages/