I’m sure Paul would accept. He has had a consistent position on every issue for the past 30 years, and laid them out in writing.
I can’t post the link here, but if you google “Ron Paul arvhives”, you will find several year’s worth of speeches he gave on the house floor on various issues.
I don’t think Rudy would stand a chance in a lengthy debate.
soundbites maybe...a real debate, no way.
I think it would be likely, unless perhaps Giuliani guaranteed that he would not show up and there were higher profile speaking opportunities available.