RWA has tons and tons of people presenting on stuff like this -- I'm sure they already have something similar scheduled. Additionally, this is the kind of thing that individual chapters should be going over with their members to prepare them.

Re: your question about pitching a ms...

Personally, unless I have requested changes, once I have rejected something, I don't want to see it again. I want the author to move on and write a new project and give him/herself some distance from the first project. Other editors may feel differently.