Part of the grassroots effort is to be able to articulate as clearly as possible the political positions of Dr. Paul and the liberty movement. If it helps convert one person, then IMO, this is the correct place to ask for assistance with a debate.
(Of course I don't know what the mods prefer, but just saying that I'd rather it go in the "wrong" place here if it can help to convert, and not lse a potential supporter)